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Madison Bridge

Madison Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 6, 2016

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Key Facts

Facility Carried / Feature Intersected
US-70 Over St. Francis River
Location
Rural: St. Francis County, Arkansas: United States
Structure Type
Metal 12 Panel Rivet-Connected Polygonal Warren Through Truss, Movable: Swing (Center Bearing Center Pier) and Approach Spans: Metal 8 Panel Rivet-Connected Parker Through Truss, Fixed
Construction Date and Builder / Engineer
1933 By Builder/Contractor: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin and Engineer/Design: Arkansas State Highway Commission

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
233 Feet (71 Meters)
Structure Length
921 Feet (281 Meters)
Roadway Width
24 Feet (7.32 Meters)
Spans
1 Main Span(s) and 7 Approach Span(s)
NBI Number
1391

Historic Significance Rating (HSR)

Bridge Documentation

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

View Historic American Engineering Record (HAER) Documentation For This Bridge

HAER Data Pages, PDF

View Original Plans For This Historic Bridge

View National Register of Historic Places Nomination Form For This Bridge

This bridge features a fixed through truss spans which lead up to a through truss swing span. The fixed spans are a standard state design, and the swing span essentially is an adaptation of the same engineering thinking in terms of member design and fabrication, however the truss configuration is a Warren-based configuration rather than a Parker truss, hinting at the fact that swing spans must handle engineering forces differently than fixed spans. This swing span no longer operates for boats, but the trusses retain good historic integrity and the swing rack remains in place under the bridge, as do the original riveted barricade gates.

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Photo Galleries and Videos: Madison Bridge

 
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Bridge Photo-Documentation
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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
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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: Madison Bridge

Coordinates (Latitude, Longitude):
35.036380,-90.711880

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