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Shreveport

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Long-Allen Bridge, Texas Street Bridge, Spanning the Red River on US 80, Shreveport, Caddo Parish, LA



Data Pages


Photo Caption Pages


Item Title


Location
Spanning the Red River on US 80, Shreveport, LA

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Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER LA-18
Building/structure dates: 1933 initial construction
Significance: The Long-Allen Bridge is significant as the first vehicular and pedestrian bridge crossing the Red River in Shreveport. Bridge construction began in September of 1931 and the bridge was formally opened to traffic in September of 1933. The bridge replaced a ferry service connecting US 80 on the east and west sides of the river. The bridge was constructed by the Weatherly Construction Company of Kansas City, Missouri. The bridge is also significant as a good example of a cantilevered through truss with steel deck girder approaches. The main span is a K-Truss with riveted connections and lacing. The bridge provides approximately 90 feet of vertical clearance above the river and the piers are set 520 feet apart. The central span is flanked by 182-foot long cantilevered spans with three 102'-9" steel deck girder approach spans at each end of the bridge. The total length of the bridge, including the approach grades, is 2982 feet. The bridge is named for Governors Huey P. Long and Oscar K. Allen, under whose administrations the bridge was built.

Subjects
Truss Bridges
Bridges
Pedestrian Bridges


Related Names
Weatherly Construction Company


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
Elevation, view looking north
Perspective, view looking northeast
Perspective, view looking east on the south side of structure
Perspective, view looking east
Substructure, view looking east
Perspective, view looking west on Texas Avenue at approach span and railing


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