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Rock Run Road Bridge

Rock Run Road Bridge

Primary Photographer(s): Rick McOmber and Marc Scotti

Bridge Documented: September 22, 2011 and October 17, 2020

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Facility Carried / Feature Intersected
Rock Run Road (TR-346) Over Loyalsock Creek
Location
Rural: Sullivan County, Pennsylvania: United States
Construction Date and Builder / Engineer
1897 By Builder/Contractor: Horseheads Bridge Company of Horseheads, New York
Rehabilitation Date
1983
Main Span Length
120.0 Feet (36.6 Meters)
Structure Length
125.0 Feet (38.1 Meters)
Roadway Width
14.8 Feet (4.51 Meters)
Spans
1 Main Span(s)
Inventory Number
32131

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 very rare surviving example of a bridge by the Horseheads Bridge Company, and it has the decorative details used by the company. Specifically, the company liked to use twisted bar for its knee braces on the portal bracing and sway bracing. This simple design decision gives the bridge an attractive and unique appearance that immediately identifies the bridge as a product of its builder.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The one span, 125' long, pin-connected Pratt thru truss bridge is attributed to the Horseheads Bridge Co., and it was fabricated in 1897. It is supported on a concrete and stone or stone veneer substructure placed in 1983. The trusses themselves are remarkably complete. The portal braces have a lattice web, and the knee braces at the portals and at all upper lateral bracing has a decorative fill of twisted bars, a characteristic detail of the fabricator. The floor beams are rolled and suspended form the lower panel points with U-shaped hangers. The verticals are channels with lacing, and the lower chords and diagonals are eye bars. The bridge is historically and technologically significant based on its completeness, documentation, and distinctive detailing.

Discussion of Surrounding Area

The bridge carries one lane of an unimproved road in a forested setting in the Wyoming State Forest. There are no buildings visible from the bridge.

Bridge Considered Historic By Survey: Yes


This bridge is tagged with the following special condition(s): Unorganized Photos

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Photo Galleries and Videos: Rock Run Road Bridge

 

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Bridge Photo-Documentation

Original / Full Size Photos
A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer.
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Bridge Photo-Documentation

Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer.
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Additional Unorganized Photos

Original / Full Size Photos
A supplemental collection of photos that are from additional visit(s) to the bridge and have not been organized or captioned. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer.
Alternatively, Browse Without Using Viewer

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View Photo Gallery

Additional Unorganized Photos

Mobile Optimized Photos
A supplemental collection of photos that are from additional visit(s) to the bridge and have not been organized or captioned. 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: Rock Run 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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