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This bridge is a classic Pratt pony truss with the unique pin caps used by the Groton Bridge Company. A couple stray bolts were found on the top chord cover plate, which may be remnants of a missing plaque, being as Groton liked to place their pony truss builder plaques on top of the top chord.
Information and Findings From Pennsylvania's Historic Bridge InventoryDiscussion of Bridge The single-span, 70'-long, pin-connected, steel Pratt pony truss bridge built ca. 1900 has lattice railings and stone abutments. It is traditionally composed of built-up compression members and eye-bar tension members. Rolled floorbeams with U-shaped hangers support steel stringers and a wood deck. The lower panel point connections have been altered by bolts replacing rivets at the pin plates and by welds at the pins (ca. 1960). The builder and date of construction are not documented by available state or township records. The bridge dates by style to ca. 1900. It is altered and it has no noteworthy or unusual features. Pin-connected truss highway bridges from the 1880s to the early 1910s are not uncommon in the northern Pennsylvania region. At least nine examples remain from 1888 to 1908 in McKean County. Earlier and more complete examples represent the historical and technological of the type and design. Discussion of Surrounding Area The bridge carries a 1-lane road over a stream in a sparsely developed, forested setting. The setting does not have historic district potential. Bridge Considered Historic By Survey: No |
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