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Kiemont Hill Road Bridge

County Bridge Number 41

Kiemont Hill Road Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: May 26, 2007

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Key Facts

Facility Carried / Feature Intersected
Kiemont Hill Road (TR-461) Over Wyalusing Creek
Location
Rural: Bradford County, Pennsylvania: United States
Construction Date and Builder / Engineer
1902 By Builder/Contractor: Nelson and Buchanan of Chambersburg, Pennsylvania

Technical Facts

Rehabilitation Date
1956
Main Span Length
175 Feet (53 Meters)
Structure Length
181 Feet (55 Meters)
Roadway Width
15 Feet (4.57 Meters)
Spans
1 Main Span(s)
NBI Number
87237046100410

Historic Significance Rating (HSR)

Bridge Documentation

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

Nelson and Buchannan were the loyal contractors and agents of the Pittsburgh Bridge Company. When the Pittsburgh Bridge Company was absorbed into the American Bridge Company in 1900, Nelson and Buchannan continued as their own company. This bridge is an example of their own work. The unique detail of the bottom chord connections on this 1902 bridge show that Nelson and Buchannan continued the design thinking that the Pittsburgh Bridge Company had used.

This bridge is significant in its own right as a beautiful span of considerable size that retains good historic integrity. It is further significant as one of the largest examples of Nelson and Buchannan's work, and one of the few surviving examples of their work that features design outside of a Pratt through truss bridge or a warren pony truss (including work under the Pittsburgh Bridge Company). It is a bridge that is a key part of Pennsylvania's transportation and industrial history.

The approaching roadway leading to this bridge was substantially damaged by a flood in 2011. This flood also deposited a bunch of debris on the bridge deck, however the truss itself seems to have been undamaged. The photo gallery for this bridge includes some photos showing the bridge after the flood.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The single span, 179'-long and 17' wide, pin-connected Parker thru truss bridge is supported on ashlar abutments. The trusses are traditionally detailed with built up box section upper chords and end posts and eye bar diagonals and lower chords. The floorbeams are framed into the lower end of the verticals, but the connection of the eye bar lower chord with the vertical is with a pin. The bridge is a fine albeit later example of its truss design, which was used for longer spans because it added depth where it is needed most -- at the center of the bridge. The span was constructed using Act of 1895 funds. It is historically and technologically significant based on its completeness, date of construction, rareness of the truss design, and association with a prolific fabricator. It is one of 3 early Parker thru truss bridges in the county, and all are significant.

Discussion of Surrounding Area

The single lane bridge carries a township road over a stream in a sparsely developed area that does not appear to have historic district potential. There are modern houses on the east side of the bridge.

Bridge Considered Historic By Survey: Yes

Information From Skelly and Loy Demolition Mitigation Website

County Bridge Number 41 is a pin-connected Parker thru truss bridge. Nelson and Buchanan fabricated the bridge in 1902. It is a 179' long, 17' wide, single span bridge supported on ashlar abutments. The upper chords and end posts are built up box sections, and the lower chords and diagonals are eye bars. The eye bar lower chord is connected to the vertical with a pin, and the floorbeams are framed into the lower end of the verticals. The deck has been replaced by an open steel grid deck. This bridge has been determined eligible for listing in the National Register of Historic Places.

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Photo Galleries and Videos: Kiemont Hill Road 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: Kiemont Hill Road Bridge

Coordinates (Latitude, Longitude):
41.678020,-76.251200

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