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Simmesport Railroad Bridge

Simmesport Railroad Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 14, 2019

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Key Facts

Facility Carried / Feature Intersected
Railroad (Kansas City Southern) Over Atchafalaya River
Location
Simmesport: Avoyelles Parish, Louisiana and Pointe Coupee Parish, Louisiana: United States
Structure Type
Metal 12 Panel Rivet-Connected Baltimore Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 12 Panel Rivet-Connected Baltimore Through Truss, Fixed
Construction Date and Builder / Engineer
1928 By Builder/Contractor: Unknown and Engineer/Design: Harrington and Cortelyou

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
300 Feet (91 Meters)
Structure Length
2,170 Feet (661 Meters)
Roadway Width
Not Available
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This large railroad truss swing bridge once carried highway traffic on a shared deck, until the highway bridge to the south was completed in 1971. The large fixed truss approach spans are 300 feet, and the swing span also appears to be 300 feet as well. There is one shorter through truss span near the each end of the bridge, estimated at 150 feet each.

In 1938, the bridge was altered by the addition of truss spans. A Report of the Chief of Engineers U.S. Army (Army Corps of Engineers) stated the following:

Lengthening of the bridge over the Atchafalaya River at Simmesport, La., by the addition of two 300-foot steel truss spans on the west side of the river was completed on December 18, 1938. This work was done under a tripartite agreement between the United States, the Louisiana & Arkansas Railway, and the Louisiana Highway Commission in pursuance of the program for the improvement of the discharge capacity of the Atchafalaya River. After construction was completed, work of enlarging the river cross section by dredging along the west bank was undertaken. Cut has now been made to project depth and this section no longer constitutes a channel constriction. Further enlargement of the cut to the west to the ultimate project limits will be provided by natural river action and by such dredging as later may be found necessary.

Above: Historical photo of bridge.

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Photo Galleries and Videos: Simmesport Railroad Bridge

 
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Maps and Links: Simmesport Railroad Bridge

Coordinates (Latitude, Longitude):
30.981605,-91.797737

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