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Granville Center Bridge

County Bridge Number 14

Granville Center Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: May 26, 2007

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Key Facts

Facility Carried / Feature Intersected
Center Road (TR-326) Over North Branch Towanda Creek
Location
Granville Center: Bradford County, Pennsylvania: United States
Construction Date and Builder / Engineer
1894 By Builder/Contractor: Groton Bridge Company of Groton, New York

Technical Facts

Rehabilitation Date
1966
Main Span Length
69 Feet (21 Meters)
Structure Length
71 Feet (22 Meters)
Roadway Width
15 Feet (4.57 Meters)
Spans
1 Main Span(s)
NBI Number
87210032600140

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is an attractive example of a pony truss built by a prominent bridge company. The bridge contains five panels.

The plaque is original, but its mount and location on the bridge is not. It would have originally been parallel to and on the middle of the top chord.

It is worth noting that the below HBI discussion claim that over 100 metal truss bridges are in this region is dated and likely incorrect. Metal truss bridges are rapidly decreasing in number, making bridges such as the Granville Center Bridge more rare and worth preserving.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The one span, 71'-long, pin connected Pratt pony truss bridge built in 1894 is supported on concrete abutments that date to 1966, the year the bridge was rehabilitated and the flooring system with an open grid deck was placed. The rolled floorbeams are still connected with suspenders. The original railings inside the truss lines have been lost, and plate has been welded to the webs of the upper chords and end of the inclined end posts. The bridge has no innovative or distinctive details as it reflects the standardization of details that occurred after 1890. The altered bridge is not historically and technologically significant. It is the early, complete truss bridges and those with distinctive details that are significant in this region that has over 100 metal truss bridges. Groton Bridge Co. was a prolific regional bridge builder.

Discussion of Surrounding Area

The one lane bridge carries a township road over a stream in a rural setting with highly altered, late-19th century houses to the north and south of the bridge. They have replacement siding, windows, and or porch elements.

Bridge Considered Historic By Survey: Yes

Information From Skelly and Loy Demolition Mitigation Website

County Bridge Number 14 is a one span, pin connected Pratt pony truss bridge. It is 71' long and supported on concrete abutments. The bridge was built in 1894 by the Groton Bridge Company, and underwent rehabilitation in 1966. An open grid deck was placed at the time of the rehabilitation. Suspenders connect the rolled floorbeams to the lower panel point pins. The upper chords and inclined end posts are built up box sections, the verticals are back to back angles with lattice webs, and the lower chords and diagonals are eye bars. This bridge has been determined to be not eligible for listing in the National Register of Historic Places.

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Photo Galleries and Videos: Granville Center 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: Granville Center Bridge

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Bridgehunter.com: View listed bridges within a half mile of this bridge.

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