Bridgehunter.com | Oak Street Bridge

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FROM THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY: The single span, 46'-long, welded steel Warren pony truss bridge built ca. 1940 is supported on a stone and a concrete abutment. The verticals, diagonals, and lower chords are angles with welded battens. The upper chords are channels with welded battens. All of the connections are by welded gusset plates. The rolled section floorbeams with bolts for hangers and riveted plates for connecting the lower lateral bracing, appear to be salvaged material from a previous bridge. No borough records were available to document the date of construction of the bridge, but weld connections were not commonly used until after 1930. The Warren truss bridge type/design is one of the most common in the state with over 125 examples from the late 1870s to 1950s. This later example composed partially of salvaged materials is not historically or technologically distinguished by its setting or context.

Facts

Overview: Pony truss bridge over Big Chickies Creek on Oak Street in Manheim
Location: Lancaster County, Pennsylvania
Status: Closed to all traffic
History: Built ca. 1940
Design: Warren pony truss
Dimensions: Span length: 45.9 ft.
Total length: 45.9 ft.
Deck width: 15.7 ft.
Approximate latitude, longitude: +40.16309, -76.38790 (decimal degrees)
40°09'47" N, 76°23'16" W (degrees°minutes'seconds")
Approximate UTM coordinates: 18/381809/4446781 (zone/easting/northing)
USGS topographic map: Manheim
Inventory numbers: PA 36 7410 4000 4001 (Pennsylvania Bridge Management System number)
PANBI 22164 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 31110 (Bridgehunter.com ID)
Inspection (as of 12/2007): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Critical (2 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 24.3 (out of 100)

Oak Street Bridge

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