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LA-24 Bridge

LA-24 Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 9, 2019

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Key Facts

Facility Carried / Feature Intersected
LA-24 Over Bayou Petit Callou (Bayou Little Callou)
Location
Houma: Terrebonne Parish, Louisiana: United States
Structure Type
Metal Deck Girder, Movable: Vertical Lift (Tower Drive) and Approach Spans: Metal Stringer (Multi-Beam),
Construction Date and Builder / Engineer
1941 By Builder/Contractor: Unknown and Engineer/Design: Louisiana Highway Commission

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
56 Feet (17 Meters)
Structure Length
112 Feet (34 Meters)
Roadway Width
24 Feet (7.32 Meters)
Spans
1 Main Span(s) and 2 Approach Span(s)
NBI Number
25500659104061

Historic Significance Rating (HSR)

Bridge Documentation

This bridge is one of a significant number of vertical lift bridges built in Louisiana from the 1930s through the 1960s. During this period, the general design of these bridges did not change significantly. They are noted for lightweight towers with bracing connecting the two towers (such bracing is uncommon in larger lift bridges elsewhere in the country), small counterweights, and very simple beam or girder lift spans of relatively short span length. The bridges were uniquely suited to the state's many small-scale navigable waterways and are a contrast to the more massive long-span lift bridges found on other major waterways in the United States. Small scale vertical lift bridges like these are not common in other states, so while they are "common" in Louisiana, they are nevertheless important to preserve as they document a bridge type that is uncommon in the rest of the country.

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

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Photo Galleries and Videos: LA-24 Bridge

 
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Maps and Links: LA-24 Bridge

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