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Eaton Road Bridge

Eaton Road Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: August 1, 2007

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Facility Carried / Feature Intersected
Eaton Road (PA-982) Over Loyalhanna Creek
Near Latrobe: Westmoreland County, Pennsylvania: United States
Construction Date and Builder / Engineer
1931 By Builder/Contractor: Unknown
Rehabilitation Date
Main Span Length
126.0 Feet (38.4 Meters)
Structure Length
259.0 Feet (78.9 Meters)
Roadway Width
27 Feet (8.23 Meters)
2 Main Span(s)
Inventory Number

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge no longer exists!

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

This historic bridge was demolished and replaced in 2009!

This bridge's trusses are completely composed of rolled beams. The most unusual feature of the bridge is the fact that the bottom chord connections to the lower gusset plates are pinned, which is quite unusual for a 1930s bridge. All other connections, including the diagonal members' bottom chord connections  are riveted. The Historic Bridge Inventory notes this made it easy to assemble the bridge. The Inventory is either outdated or incorrect in saying this detail is common in the region. It is an unusual detail (only two bridges were known to exhibit this design at the time HistoricBridges.org documented the bridge), and the preservation of this bridge should be considered for this reason, and also the fact that the bridge appears to be in decent shape and thus easy to keep in service of properly maintained and preserved.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 2 span, 259' long, Warren with polygonal top chord pony truss bridge is supported on concrete abutments with wingwallls and a concrete pier. The members are rolled section, and it has riveted connections save for the lower panel points that are pinned. The approximately 125' long spans are long for pony trusses, and the pinned lower chord connections are for ease of construction. Bridges with this detail are not uncommon in the region. Neither the 1931 bridge nor its setting and context are historically or technologically significant.

Discussion of Surrounding Area

The bridge carries a 2 lane road over a stream in a sparsely developed, wooded setting just north of the SR 982 and SR 30 cloverleaf.

Bridge Considered Historic By Survey: No


Photo Galleries and Videos: Eaton Road Bridge


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Maps and Links: Eaton Road Bridge

This historic bridge has been demolished. This map is shown for reference purposes only.

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Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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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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