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Wasser Road Bridge

Wasser Road Bridge

Primary Photographer(s): Rick McOmber

Bridge Documented: August 22, 2010

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Key Facts

Facility Carried / Feature Intersected
Wasser Road (PA-4003) Over Shenango River
Location
Rural: Mercer County, Pennsylvania: United States
Structure Type
Metal Through Girder, Fixed
Construction Date and Builder / Engineer
1914 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
1949
Main Span Length
89 Feet (27 Meters)
Structure Length
182 Feet (55 Meters)
Roadway Width
17.4 Feet (5.3 Meters)
Spans
2 Main Span(s)
NBI Number
43400300501073

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is a good way to prove that there really is a traditional plate girder hidden behind the concrete of a concrete encased metal plate girder bridge. This bridge had its concrete encasement removed in 1949, and if a visitor were not aware of this fact, the bridge otherwise looks like a typical plate girder bridge. The only visual clue to its past is that the flooring system remains encased in concrete.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 1914, 2 span, simply supported, 182'-long, thru girder bridge is supported on concrete abutments and a concrete cutwater pier. When built, the entire bridge was encased with concrete, but the encasement was removed from all but the floorbeams and stringers in 1949. The bridge is an example of a bridge technology introduced by the railroad industry in the 1840s and used on Pennsylvania highways since the late 19th century. This example has no innovative or distinctive details. The webs of the spans are connected over the center pier by welded cover plate, but the design is not continuous because the spans are not joined at the flanges. Neither the bridge nor its setting are historically or technologically significant.

Discussion of Surrounding Area

The bridge carries a two lane road over a stream in a rural area with scattered, undistinguished, mid 20th century residences. Downstream of the bridge are remnants of ashlar abutments from an earlier bridge.

Bridge Considered Historic By Survey: No

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Photo Galleries and Videos: Wasser Road 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: Wasser Road Bridge

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