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Old PA-21 T-Beam Bridge

Old PA-21 T-Beam Bridge

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Most Recent Visit To Bridge: August 2, 2007

Key Facts
Bridge Name Facility Carried / Feature Intersected Location Structure Type Construction Date / Builder or Contractor
Old PA-21 T-Beam Bridge Old PA-21 Over Little Whiteley Creek Rural: Greene County, Pennsylvania Concrete T-Beam, Stationary 1920 By: Unknown
Technical Facts
Structure Length Span Length Bridge Width Roadway Width Main Spans Approach Spans
45 Feet (13.7 Meters) 43 Feet (13.1 Meters) 26.1 Feet (7.95 Meters) 23.6 Feet (7.2 Meters) 1 None

This is a relatively old concrete t-beam bridge that is located on old alignment for PA-21. The structure appears to retain good historic integrity and includes original paneled railings. It is a good representative example of the structure type.

Historic Significance Rating (HSR)

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The ca. 1925, single span T beam bridge with paneled parapets is supported on concrete abutments with wingwalls. The bridge is moderately spalling at the fascia beams, where the steel reinforcement is exposed. The bridge is an example of a very common bridge type that was used with great frequency beginning in the 1910s and continuing through the 1950s.

Discussion of Surrounding Area

The bridge carries a 2 lane road over a stream in a sparsely developed, forested setting on a bypassed section of SR 21.

Bridge Considered Historic By Survey: No

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