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Loop Road Bridge

   


Loop Road Bridge

Primary Photographer(s): Elaine Deutsch

Bridge Documented: March 14, 2013
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Key Facts

Facility Carried / Feature Intersected
Loop Road Over Pequea Creek
Location
Rural: Lancaster County, Pennsylvania
Structure Type
Metal 8 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed and Approach Spans: Metal Through Girder, Fixed
Construction Date and Builder / Engineer
1940 By Builder/Contractor: Unknown and Engineer/Design: H. W. Crawford

Technical Facts

Rehabilitation Date
1970
Main Span Length
100 Feet (30.5 Meters)
Structure Length
154 Feet (46.9 Meters)
Roadway Width
18 Feet (5.5 Meters)
Spans
1 Main Span(s)
NBI Number
21985

Historic Significance Rating (HSR)

Bridge Documentation

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

With a listed 1940 construction date, this bridge is a fairly late example of a small pony truss bridge. It is unusual because it also includes a through plate girder span. It sits on a stone substructure which may be from a previous bridge. The bridge appears to be largely unaltered.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 2-span bridge built in 1940 consists of a 100'-long, rivet-connected Pratt pony truss span and a 54'-long steel thru girder span. The bridge is supported on stone abutments and pier. The truss has built-up chords and end posts, and rolled section diagonals and verticals. Channel railings are set to the inside faces of the trusses and atop the thru girders. Both the rivet-connected Pratt truss and the thru girder are bridge types/designs developed in the 19th century. Numerous examples from the 1890s to 1956 are found throughout the state. This late example has no unusual or noteworthy details. It is not historically or technologically distinguished by its setting or context.

Discussion of Surrounding Area

The bridge carries a 2 lane road over a stream in a rural setting of active farms and scattered 20th century houses. At the southwest end are a T-shaped intersection with a local road and woods. At the northeast end are open fields and a modern house. The setting does not have the cohesiveness or integrity of a historic district.

Bridge Considered Historic By Survey: No

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Photos and Videos: Loop Road Bridge

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