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LA-1 Southbound Bridge

LA-1 Southbound Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 14, 2019

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Key Facts

Facility Carried / Feature Intersected
LA-1 Southbound Over Bayou Plaquemine
Location
Plaquemine: Iberville Parish, Louisiana: United States
Construction Date and Builder / Engineer
1950 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
459 Feet (139.9 Meters)
Structure Length
150 Feet (45.7 Meters)
Roadway Width
28 Feet (8.53 Meters)
Spans
1 Main Span(s) and 10 Approach Span(s)
NBI Number
612400500614452

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

This vertical lift bridge had its towers removed so only the lift through truss span remains. The bridge is also now a one-way bridge, having been paired with a fixed modern bridge next to it.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

Above: Historical photo showing first bridge at this location, dating to June 1898. The bridge only lasted a few years before a fire destroyed it in July 1905.

Above: Historical photo showing second bridge at this location, dating to 1908.

Above: Historical photo showing construction of the 1950 vertical lift bridge. The old swing bridge, being demolished, is visible to the left. Taken May 26, 1950.

Above: Historical photo showing the lift bridge before removal of the towers.

Above: Historical photo showing the lift bridge before removal of the towers.

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Photo Galleries and Videos: LA-1 Southbound Bridge

 
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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
View Photo Gallery
Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: LA-1 Southbound Bridge

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