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Mohr Road Bridge

Mohr Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: May 3, 2013

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Facility Carried / Feature Intersected
Mohr Road (TR-634) Over Muddy Creek
Location
Rural: Greene County, Pennsylvania: United States
Construction Date and Builder / Engineer
1903 By Builder/Contractor: Penn Bridge Company of Beaver Falls, Pennsylvania
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
38.0 Feet (11.6 Meters)
Structure Length
40.0 Feet (12.2 Meters)
Roadway Width
15.7 Feet (4.79 Meters)
Spans
1 Main Span(s)
Inventory Number
30720306342015

Historic Significance Rating (HSR)
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Bridge Documentation

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

This bridge is a tiny Parker pony truss bridge. Because of its short length, it has very shallow trusses. Making the trusses look even smaller is the large, handsome stone abutments that the bridge rests on. The bridge appears to retain good historic integrity.

There is the possibility that the construction date is incorrect. The 1903 date is ten years earlier than some other extremely similar bridges in southwestern Pennsylvania. It is possible the bridge actually dates to something like 1913.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 40' long and 13' wide, riveted Parker pony truss bridge built in 1903 is supported on ashlar abutments with wingwalls. The top chords and inclined end posts are built-up box sections, and the lower chords verticals, and diagonals are composed of channels with stay plates. The floorbeams are built-up. The field connections are rivets and bolts, and if the 1903 date is correct, the bridge is historically and technologically significant as an early example of a riveted Parker pony truss. The bridge is nearly identical to 30720103322102 that is dated to 1919.

Discussion of Surrounding Area

The bridge carries 1 lane of an unimproved township road over a stream in a rural area of active farms and scattered 20th century residences. The area does not appear to have historic district potential. There is considerable modern development along SR 21.

Bridge Considered Historic By Survey: Yes

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Photo Galleries and Videos: Mohr Road Bridge

 

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Maps and Links: Mohr Road Bridge

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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