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Engle Bridge

Engle Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: August 2, 2007

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Key Facts

Facility Carried / Feature Intersected
Engles Mill Road (TR-325) Over Piney Run
Location
Rural: Somerset County, Pennsylvania: United States
Construction Date and Builder / Engineer
1915 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
50 Feet (15 Meters)
Structure Length
52 Feet (16 Meters)
Roadway Width
12.8 Feet (3.9 Meters)
Spans
1 Main Span(s)
NBI Number
557206032530240

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is quite the unusual find, because it is a small open-spandrel arch bridge. Open-spandrel concrete arch bridges are not uncommon, but they are generally large, multi-span structures often located in urban settings. This small, rural 50 foot structure is quite odd, and is an example of the experimentation that went on in the early 20th century as engineers investigated the uses of re-enforced concrete as a bridge-building material. As such, even the Pennsylvania Historic Bridge Inventory recognized the bridge as significant. It is unfortunate to note that the original railings were lost, which is a serious detriment to the aesthetic qualities of the bridge. A restoration project could replaced those railings with replicas of the original railings, however.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The single span, 50'-long, ribbed open spandrel reinforced concrete deck arch bridge dates stylistically to ca. 1910. It has plain spandrel columns. The concrete deck and beam guiderail railings date to ca. 1985. The bridge is technologically and historically significant representing the experimentation associated with the early days of reinforced concrete bridge technologies. It represents economy of both concrete and reinforcing steel for a short span.

Discussion of Surrounding Area

The bridge carries 1 lane of a township road over a stream in a wooded area of active farms. The south approach is sharply curved. The area may be a potential rural historic district.

Bridge Considered Historic By Survey: Yes

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Photo Galleries and Videos: Engle Bridge

 
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Bridge Photo-Documentation
A collection of overview and detail photos. This photo gallery contains a combination of Original Size photos and Mobile Optimized photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Engle Bridge

Coordinates (Latitude, Longitude):

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Bridgehunter.com: View listed bridges within a half mile of this bridge.

Bridgehunter.com: View listed bridges within 10 miles of this bridge.

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