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Onion Creek Bridge

Onion Creek Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: June 6, 2016
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Key Facts

Facility Carried / Feature Intersected
County Road 4500 Over Onion Creek
Near Coffeyville: Montgomery County, Kansas: United States
Construction Date and Builder / Engineer
1911 By Builder/Contractor: Western Bridge Company of Harrisonville, Missouri

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
102 Feet (31.09 Meters)
Structure Length
104 Feet (31.7 Meters)
Roadway Width
13.8 Feet (4.21 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)

Bridge Documentation

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

View Kansas Historic Resources Inventory Report For This Bridge

This bridge is barely a bedstead truss, meaning that instead of having vertical endposts that extend far below the bottom chord to largely eliminate the need for full-height abutments, this bridge has vertical end posts that extend only a small distance below the bottom chord. However, it still follows the basic bedstead concept in terms of its design. Further, it currently rests on steel bents that are modern and not original. When HAER documented the bridge it rested on concrete abutments of unknown history, but based on the limited photos HAER took, it looked like the legs might have extended down alongside or within the concrete. There is a good possibility that originally the legs extended further down from what is seen today and were cut off. The history of the bridge is not well documented.

The bridge is also noted for its unusual portal bracing design that includes decorative finials as well.

This bridge has been bypassed and abandoned. As of 2016 is is rapidly becoming overgrown. Trees need to be cut down around the bridge to protect the bridge and clear viewing of it.


Photos and Videos: Onion Creek Bridge

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