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Old US-169 Neosho River Bridge

   


Old US-169 Neosho River Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: June 6, 2016
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Key Facts

Facility Carried / Feature Intersected
Old US-169 (Ford Road, 1150th Street) Over Neosho River
Location
Rural: Neosho County, Kansas
Structure Type
Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
140 Feet (42.7 Meters)
Structure Length
655 Feet (199.6 Meters)
Roadway Width
23.3 Feet (7.1 Meters)
Spans
2 Main Span(s) and 4 Approach Span(s)
NBI Number
000000000670660

Historic Significance Rating (HSR)

Bridge Documentation

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

Built in 1930 to serve a U.S. highway, this truss bridge represents a class of truss (state-designed, two-lane, with heavy members) that was built in large quantities in some states that preferred metal truss bridges. Kansas does not have a large quantity of this vintage of truss bridge potentially because the state may have not built as many to begin with. Compare this to Missouri which built an enormous quantity of metal truss bridges during this period. Fortunately, this bridge is a good representative example of this vintage of truss, showcasing both pony and through truss spans. Designed by the State Highway Commission, fabricated by Pittsburgh Des Moines Steel Company, and erected by prolific Kansas contractor J. S. Vance & Son of Parsons, this bridge today retains good historic integrity with the only major alteration being changes to the overhead bracing to increase clearance... an alteration common to this vintage of truss in many states (including the aforementioned Missouri). Original railings have also been replaced.

This bridge was fabricated from steel from a variety of mills, including the rare Scullin Steel. Carnegie Steel and Inland Steel was also noted on this bridge. There also are rolled wide flange beams on this bridge which were likely from Bethlehem Steel, which was the inventor and typical source for wide flange beams (called Bethlehem Beams back then).

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