concrete arches

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Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 59.8X, between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 59.8X, between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 59.8X, between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 59.8X, between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania County, WA

Trout Creek Dam, River Mile 1.8 on Trout Creek, Carson, Skamania Count...

Significance: The dam and fish ladder were constructed by the CCC, Company 944 in 1935-36. The structure, a concrete arch dam, is believed to be one of the largest power generation plants constructed solely by ... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58.1X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58.1X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58.1X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58.1X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 58...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 61.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 61.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 61.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 61.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River, north of Girard Avenue Bridge, Philadelphia, Philadelphia County, PA

Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...

See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 57.6X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 57...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 57.6X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 57...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 57.6X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure 57...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County, TN

John T. Cunningham Memorial Bridge, Spanning Cumberland River, on Old ...

Significance: The bridge is an example of the K-truss, one of only two known to exist in Tennessee. The bridge also is historically significant as one of the first bridge built by the Tennessee State Highway De... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island, Bayonne, Hudson County, NJ

Bayonne Bridge, Spanning Kill Van Kull between Bayonne & Staten Island...

Significance: Bayonne Bridge is significant as the world's longest steel bridge for nearly half a century, the first use of manganese steel (for main arch ribs and rivets), and the use of falsework for construc... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 57.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 57.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 57.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 57.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No. 57.3X, Between Cajon Summit and Keenbrook, Devore, San Bernardino County, CA

Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...

Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road (Legislative Route 06036), Dauberville, Berks County, PA

Dauberville Bridge, Spanning Schuykill River on Belleman's Church Road...

Significance: The Dauberville Bridge is an representative example of an early twentieth century multiple-span concrete arch bridge. Constructed in 1908 and comprising four arches, it features a simply ornament... More

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