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Huey P. Long Baton Rouge Bridge

Old Mississippi River Bridge, Airline Highway Bridge

Huey P. Long Baton Rouge Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 14, 2019

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Key Facts

Baton Rouge: East Baton Rouge Parish, Louisiana and West Baton Rouge Parish, Louisiana: United States
Structure Type
Metal 24 Panel Rivet-Connected Modified Warren (Subdivided) Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed
Construction Date and Builder / Engineer
1940 By Builder/Contractor: Bethlehem Steel Company of Bethlehem, Pennsylvania and Engineer/Design: Louisiana Highway Commission and Norman E. Lant

Technical Facts

Rehabilitation Date
Main Span Length
748 Feet (228 Meters)
Structure Length
5,879 Feet (1791.9 Meters)
Roadway Width
48 Feet (14.63 Meters)
5 Main Span(s) and 39 Approach Span(s)
NBI Number

Historic Significance Rating (HSR)
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Bridge Documentation

This enormous combined highway and railroad cantilever truss bridge has an elaborate ramp system for both the railroad deck and the two cantilevered highway decks as well. In 1989, the highway decks were widened by four feet. Contractors for the bridge included Kansas City Bridge Company of Kansas City, Missouri, Uvalde Construction Company of Dallas, Texas, and Bethlehem Steel Company of Bethlehem, Pennsylvania. Norman E. Lant, who worked for the Louisiana Highway Commission, designed the bridge. The website bridgehunter.com also lists the following people as builders or designers of the bridge, but it is not known what source contributed that information, nor what roles (if any) these people may have played in the construction of the bridge: C. G. Melville, E. L. Durkee, and Harry Henderlite.

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

View Historic Bridge Management Plan For This Bridge

Above: Historical photo showing bridge construction.


Photo Galleries and Videos: Huey P. Long Baton Rouge Bridge

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Maps and Links: Huey P. Long Baton Rouge Bridge

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