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Coons Crossing Bridge

Delmar Road Bridge

Coons Crossing Bridge

Primary Photographer(s): Marc Scotti

Bridge Documented: 2018

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Facility Carried / Feature Intersected
Delmar Road (TR-437) (Coons Crossing Road) Over Oswayo Creek
Location
Rural: McKean County, Pennsylvania: United States
Construction Date and Builder / Engineer
1908 By Builder/Contractor: York Bridge Company of York, Pennsylvania
Rehabilitation Date
1962
Main Span Length
87.0 Feet (26.5 Meters)
Structure Length
89.0 Feet (27.1 Meters)
Roadway Width
13.8 Feet (4.21 Meters)
Spans
1 Main Span(s)
Inventory Number
25554

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge appears to be the work of the York Bridge Company based on its railing and other truss details. York County appears to have used York Bridge Company railing on other bridges (unclear if it was salvaged railing or bought new from the company). However this appears to be a whole York Bridge Company bridge because the construction date matches the company's years of operation and it has the company's preferred a-frame portal bracing. The bridge is abandoned and the distinctive railing is damaged or missing in many panels.

The Historic Bridge Inventory failed to notice the railing and suggest York Bridge Company as the likely builder of this bridge. 

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

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The single-span, 91'-long, pin-connected, steel Pratt thru truss bridge built in 1908 is supported on stone abutments with wingwalls. It is traditionally composed of built-up compression members and eye-bar tension members. Ca. 1970, the bridge deck was replaced with a bituminous-filled steel deck, the lower chords were strengthened by post-tensioning with steel cables, welded repairs were made to the eye bars at the lower panel points, and the floorbeams were picked up by hangers welded to the verticals. The bridge has lost integrity of original design. Pin-connected truss highway bridges from the 1880s to the early 1910s are not uncommon in the northern Pennsylvania region. At least nine examples remain from 1888 to 1908 in McKean County. Earlier and more complete examples represent the significance of the type and design.

Discussion of Surrounding Area

The bridge is located on a 2 lane road over a stream. It has been closed to traffic. The setting is sparsely developed and forested. It does not have historic district potential.

Bridge Considered Historic By Survey: No


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

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Photo Galleries and Videos: Coons Crossing Bridge

 

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Unorganized Photos

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A collection of overview and detail photos, presented as an unorganized and unlabeled collage and gallery. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer.
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Maps and Links: Coons Crossing 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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