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Tensaw River Lift Bridge, Spanning Tensaw River at U.S. Highway 90, Mobile, Mobile County, AL



B&W Photos

HB45796
Photograph Taken From Observation Deck Of Battleship Uss Alabama

HB45797
Photograph Taken From Observation Deck Of Battleship Uss Alabama

HB45798
2 Of Tensaw River Bridge, Looking North

HB45799
2, No

HB45800
4 And No

HB45801
1, Western Approach Of Tensaw River Bridge, Looking East


Data Pages


Photo Caption Pages


Item Title


Location
Spanning Tensaw River at U.S. Highway 90, Mobile, AL

Find maps of Mobile, AL


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER AL-104
Unprocessed field note material exists for this structure (N1070).
Building/structure dates: 1926 initial construction
Building/structure dates: 1978 subsequent work
Building/structure dates: 1995 demolished
Significance: The Tensaw River Lift Bridge is one of the oldest remaining lift bridges in Alabama. It is important in local history as an integral component of the "Cochrane Bridge", a 10.5 mile-long causeway connecting Mobile and Baldwin counties over Mobile Bay. The construction of the causeway helped complete the "Spanish Trail", a transcontinental highway designed to increase tourism and commerce on the Gulf of Mexico coast and westward. It is the work of Harrington, Howard & Ash Consulting Engineers of Kansas City, Missouri, one of the most important early 20th century bridge designers in the United States. The bridge is not currently listed on the National Register of Historic Places

Subjects
Vehicular Bridges


Related Names
Harrington, Howard & Ash, Kansas City, Missouri
Virginia Bridge And Iron Company, Roanoke, Virgini
Kansas City Bridge Company, Kansas City, Missouri


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
Aerial view of Tensaw River Bridge in local context, facing east, photograph taken from roof of First Bank of Mobile building
View of Tensaw River Bridge, looking northeast. Photograph taken from observation deck of Battleship USS Alabama
View of Tensaw River Bridge, looking northeast. Photograph taken from observation deck of Battleship USS Alabama
View of west approach trestle and spans No.1 and No. 2 of Tensaw River Bridge, looking north
View of spans No. 2, No. 3, and No. 4 of Tensaw River Bridge, looking north
View of eastern approach trestle and spans No. 4 and No. 5 of Tensaw River Bridge, looking north
View of western elevation of span No. 1, western approach of Tensaw River Bridge, looking east
View of western elevation of span No. 1, western approach of Tensaw River Bridge, looking east
View of central lift span truss web of Tensaw River Bridge, showing support girders for life house, looking east
View of central lift span truss web of Tensaw River Bridge, showing web bracing, looking east
View of West end of central lift span truss web of Tensaw River Bridge, showing web brace of lift girder superstructure, looking west
View of West end of central lift span truss web of Tensaw River Bridge, showing operator's ladder and platform, diagonals and posts, looking southwest
View of typical first or second diagonal of Tensaw River Bridge, looking southwest
View of typical third diagonal of Tensaw River Bridge,looking southwest
View of typical post of Tensaw River Bridge, looking southwest
View of lifting girder and tower support superstructure on Tensaw River Bridge, looking north west. Showing rope connectors and welding cut from tower removal.
View of lifting girder and tower support superstructure on Tensaw River Bridge truss No. 2, looking northwest. Showing rope connectors and deflector sheaves.
View of riveted joint on tower support superstructure of Tensaw River Bridge truss No. 2, looking northeast, showing deflector sheaves, roller and complex joint construction
View of riveted joint on tower support superstructure of Tensaw River Bridge truss No. 2, looking southwest, showing deflector sheaves, roller and complex joint construction
View of riveted joint of typical end post and first polygonal upper chord on Tensaw River Bridge, looking northeast
View of reveted joint of typical post and polygonal upper chord of Tensaw River bridge, looking northeast
View of typical top central sway bracing on Tensaw River Bridge, looking straight up


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