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Mahanoy Creek Bridge

Mahanoy Creek Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 26, 2019

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Key Facts

Facility Carried / Feature Intersected
Creek Hill Road, Amish School Road (TR-377) Over Mahanoy Creek
Rural: Northumberland County, Pennsylvania: United States
Construction Date and Builder / Engineer
1902 By Builder/Contractor: King Bridge Company of Cleveland, Ohio

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
129 Feet (39 Meters)
Structure Length
130 Feet (40 Meters)
Roadway Width
13.5 Feet (4.11 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)

Bridge Documentation

This bridge includes the distinctive ornamental portal bracing of the famous King Bridge Company. It appears as though this bridge may have been abandoned to private ownership. It is not barricaded, however private property signs are visible. The bridge is in a severe state of deterioration, with some diagonal members completely broken off at the heads. If the bridge remained in government ownership it would most certainly be closed to traffic and barricaded off. The bridge is one of the few surviving King Bridge Company through truss bridges in Pennsylvania, due to demolition. The finding of the Historic Bridge Inventory is faulty as they failed to properly identify the builder and the finding is also dated.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The one span, 130' long, pin connected Pratt thru truss bridge is supported on a concrete abutment on the west side and an ashlar abutment on the east side. The bridge plaque documented in the district survey has been lost, but the bridge is recorded as having been built by the Long Bridge Co., which is not listed in Darnell's directory of pre-1901 fabricators. The bridge is traditionally composed. The verticals are toe-in channels with lacing, and the floorbeams are suspended from the lower panel point, but welded straps have been added to augment the connection. The knee braces of the lattice portal brace have punchwork decoration. The bridge is a late example of its type and design, and it has some alterations. It is located in a region noted for its many and complete early pin connected bridges. In comparison with the regional population, this bridge is not historically or technologically significant.

Discussion of Surrounding Area

The bridge carries one lane of an unimproved township road over a stream in a sparsely developed, forested setting. There are modern and highly altered late-19th and early-20th century houses in the vicinity, which does not appear to have historic district potential.

Bridge Considered Historic By Survey: Yes


Photo Galleries and Videos: Mahanoy Creek Bridge

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