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LA-661 Bridge

LA-661 Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 9, 2019

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Facility Carried / Feature Intersected
LA-661 (Van Avenue) Over Bayou LaCarpe
Location
Houma: Terrebonne Parish, Louisiana: United States
Structure Type
Metal Deck Girder, Movable: Vertical Lift (Tower Drive) and Approach Spans: Concrete Slab, Fixed
Construction Date and Builder / Engineer
1964 By Builder/Contractor: Unknown and Engineer/Design: Louisiana Highway Commission
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
76.0 Feet (23.2 Meters)
Structure Length
196.0 Feet (59.7 Meters)
Roadway Width
24 Feet (7.32 Meters)
Spans
1 Main Span(s) and 6 Approach Span(s)
Inventory Number
25508550800481

Historic Significance Rating (HSR)
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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.

This bridge has been rehabilitated. Before rehabilitation, the bridge had an interesting spiral staircase that ran all the way to the top of the tower. This was replaced with a ladder.

If anyone has photos of this bridge in the raised position and is willing to share them with HistoricBridges.org (we will provide photo credit) please contact us.

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

View Historic Bridge Inventory Sheet For This Bridge

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Photo Galleries and Videos: LA-661 Bridge

 

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Bridge Photo-Documentation

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Maps and Links: LA-661 Bridge

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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