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US-24 Viaduct

   


US-24 Viaduct

Primary Photographer(s): Nathan Holth

Bridge Documented: June 5, 2016
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Key Facts

Location
Kansas City: Jackson County, Missouri
Structure Type
Metal Cantilever Rigid-Frame, Fixed
Construction Date and Builder / Engineer
1934 By Builder/Contractor: M. E. Gillioz of Monett, Missouri and Engineer/Design: Missouri State Highway Commission

Technical Facts

Rehabilitation Date
1994
Main Span Length
76.4 Feet (23.3 Meters)
Structure Length
1243.2 Feet (378.9 Meters)
Roadway Width
42 Feet (12.8 Meters)
Spans
17 Main Span(s)
NBI Number
6024

Historic Significance Rating (HSR)

Bridge Documentation

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

View Missouri Historic Bridge Inventory Sheet For This Historic Bridge

This bridge is one of several girder bridges on this section of roadway. This one stands out not only for its length and design, but also as the easiest to visit among these bridges.

This bridge is a rare example of a steel rigid frame, and also a very long example. Its unusual design includes tapered bents which curve at the top to form part of the girders (a rigid-frame combines superstructure and substructure into one solid structure). This bridge varies a bit from typical rigid-frame design however in that the center portion of the plate girder superstructures are actually separate structures that rest on bearings cantilevered from the bents/frames.

The Historic Bridge Inventory mentions that in 1977 the sidewalks were replaced. However, the brackets for the sidewalks underneath (which the inventory seems to imply were also replaced) are riveted and thus appear to be original. Rivets were not being used by 1977 for this type of structural steel.

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Photos and Videos: US-24 Viaduct

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