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F. W. Kent Park Queenpost Pony Truss Bridge

F. W. Kent Park Pony Truss Bridge

F. W. Kent Park Queenpost Pony Truss Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 10, 2013

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Key Facts

Facility Carried / Feature Intersected
Rod Dunlap Memorial Bridge Trail Over F. W. Kent Park Lake
Location
Rural: Johnson County, Iowa: United States
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
30 Feet (9 Meters)
Structure Length
Not Available
Roadway Width
Not Available
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

Introduction

This webpage and narrative you are currently viewing is for one of the seven historic bridges that have been relocated to F. W. Kent Park on the Rod Dunlap Memorial Bridge Trail. This page provides a discussion of the individual bridge. Please also view the Dane Road Bridge page which includes a general overview discussion of F. W. Kent Park on the Rod Dunlap Memorial Bridge Trail. The map on this page shows F. W. Kent Park with all seven bridges labeled. You can click on the name of a bridge to switch to a particular bridge's page. Visit the official page for the park here. If you want to view an enlarged version of the bridge map to the left, click here.

About The Bridge

Interpretive signage for this bridge did not specify any information on where this bridge came, which was frustrating. It also gave a ca. 1920 construction date for this bridge which may be incorrect. Such a date would be extremely late to the point of almost unheard of for a pin-connected pony truss bridge. Small truss bridges were almost always built with riveted connections by this time. Additionally, at the bearings of this bridge it appears that the channels were cut using a series of drilled holes which means that the builder did not have access to a cutting torch or other more efficient method of cutting metal in the shop. This is usually associated with earlier truss bridges. By 1920, more efficient methods of cutting metal in the shop were available. It is possible the bridge was moved to its previous location in 1920.

This bridge is one of two Queenpost truss bridges in the park. Outside of the park, Queenpost truss bridges are rare. The bridge is traditionally composed. The pins have recessed nuts on them, and one of the nuts is installed on the bridge backwards. It is not known if this is an original detail or if it occured when the bridge was moved.

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Photo Galleries and Videos: F. W. Kent Park Queenpost Pony Truss Bridge

 
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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: F. W. Kent Park Queenpost Pony Truss Bridge

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