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Snyder Road Bridge

Snyder Road Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: May 30, 2010

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Key Facts

Facility Carried / Feature Intersected
Snyder Road Over Perkiomen Creek
Location
Perkiomenville: Montgomery County, Pennsylvania: United States
Structure Type
Metal 8 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Metal 4 Panel Rivet-Connected Parker Pony Truss, Fixed
Construction Date and Builder / Engineer
1904 By Builder/Contractor: York Bridge Company of York, Pennsylvania

Technical Facts

Rehabilitation Date
1996
Main Span Length
120 Feet (36.6 Meters)
Structure Length
172 Feet (52.4 Meters)
Roadway Width
15 Feet (4.57 Meters)
Spans
1 Main Span(s) and 1 Approach Span(s)
NBI Number
46704605100156

Historic Significance Rating (HSR)
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Bridge Documentation

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

This bridge is a beautiful and impressive impressive example of a truss bridge built by the York Bridge Company. The bridge has both a four panel pony truss and an eight panel through truss span. The pony truss span is unusual because it is a Parker truss with only four slopes. Nearly all Parker truss spans, including the through truss span on this bridge, have more than five slopes to the top chord and end posts. The bridge has endposts measuring 14 inches wide by about 9.5 inches deep. Vertical members were measured at 13 inches wide by about 7 inches. The bridge received repairs and rehabilitation in 1960, 1987, and 1996. The bridge was closed to traffic due to areas of deterioration on the bridge superstructure. Despite this, it appears that the bridge could be restored for either light vehicular use or non-motorized use. The majority of the truss structure appears to be in decent condition.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 2 span, 170'-long bridge built in 1904 is composed of a 120'-long, pin connected Parker thru truss span and a 48'-long riveted Parker pony truss span The substructure consists of stone abutments and a stone pier. The main span is a late example of its type and design. It was fabricated by a minor bridge company. The riveted pony truss approach span is not among the earliest examples of that technology in the region or state. The bridge is not historically or technologically significant. It is located in a region noted for its rich heritage of metal truss bridges.

Discussion of Surrounding Area

The single lane bridge carries a township road over Perkiomen Creek in a forested area within the Upper Perkiomen Valley County Park. The stream was dammed to create reservoirs in the 1930s and 1960s. The bridge provides access to the Deep Creek and Green Lane reservoirs and the surrounding county park land. Neither reservoir is historically or technologically significant.

Bridge Considered Historic By Survey: Originally No, Revised To Yes in 2001

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Photo Galleries and Videos: Snyder Road Bridge

 
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A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Snyder Road Bridge

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