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Asylum Bridge

Asylum Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: June 4, 2016

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Key Facts

Facility Carried / Feature Intersected
1st Street (Osawatomie Road) Over Marais Des Cygnes River
Location
Osawatomie: Miami County, Kansas: United States
Construction Date and Builder / Engineer
1905 By Builder/Contractor: Kansas City Bridge Company of Kansas City, Missouri

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
121 Feet (37 Meters)
Structure Length
219 Feet (67 Meters)
Roadway Width
16 Feet (4.88 Meters)
Spans
1 Main Span(s) and 2 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

View Kansas Historic Resources Inventory Report For This Bridge

This is one of the most unusual and unique bridges in the country. At quick glance it looks like a very small cantilever truss bridge. However, closer inspection on the arrangement of the truss members suggests it functions in another manner. Most sources consulted seem to have agreed that this bridge lacks cantilever function. Without engineering study, two possibilities remain. Each span may function as a simple truss, with the "towers" and adjacent top chord sections being largely decorative. In this case, the unusual truss shape of the center span has been described as a "Reserve Parker." Another possibility is that the bridge may function as a continuous (but not cantilever) truss. If so, it would be an early use of continuous truss design, and as such it might not be a totally perfect representation of continuous truss design, as this was more or less a period where continuous truss design was somewhat experimental.

Despite its unique design, the bridge sits abandoned and overgrown. This bridge deserves no less then the highest preservation priority.

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Photo Galleries and Videos: Asylum Bridge

 
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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: Asylum Bridge

Approach this abandoned bridge from the south.

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