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Ash Road Bridge

Ash Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: May 3, 2013

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Key Facts

Facility Carried / Feature Intersected
Ash Road (TR-309) Over Rocky Run
Location
Rural: Washington County, Pennsylvania: United States
Construction Date and Builder / Engineer
1903 By Builder/Contractor: Nelson and Buchanan of Chambersburg, Pennsylvania

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
42 Feet (12.8 Meters)
Structure Length
44 Feet (13.41 Meters)
Roadway Width
10.2 Feet (3.11 Meters)
Spans
1 Main Span(s)
NBI Number
62721003074022

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is an uncommon example of a riveted Queenpost pony truss. The bridge was built by Nelson and Buchanan, who built a number of bridges in this region. The style of the bridge is similar to other bridges built by the company in the early 20th Century. There are a lot of welded repairs to the bridge, reducing the historic integrity of the bridge. The bridge has two commissioners plaques, one dated 1902 and another dated 1903, with some of the names different on each, suggesting the commissioners changed during the time the bridge was built, over 1902-1903.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The single-span, 43'-long and 12' wide riveted Pratt pony truss bridge was built in 1903 by prolific instate fabricator Nelson & Buchanan, but at an unknown date, it was rebuilt. The upper chords and end posts have channel and cover plate welded to them, and the original upper panel point gussets are welded to it. There are also welded connections at the lower chords. The bridge is a highly altered example of a very well represented technology in the county and region, and neither it nor its setting are historically or technologically significant.

Discussion of Surrounding Area

The bridge carries a single lane road over a stream in a rural area of active farms and undistinguished early-20th century buildings.

Bridge Considered Historic By Survey: No

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Photo Galleries and Videos: Ash Road Bridge

 
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Bridge Photo-Documentation
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Bridge Photo-Documentation
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View Video
CarCam: Westbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.
View Video
CarCam: Eastbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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