This truss bridge is an early example of a rivet-connected truss bridge built by Nelson and Buchanan. Perhaps because it is a little older than most of the surviving rivet-connected Nelson and Buchanan bridges, this truss has a little different design that features very lightweight truss members as opposed to the heavier ones the company used on later bridges.
A pier was added to this bridge and steel stringers were added to carry the road, these alterations occurring ca. 1960. As such, this single span truss bridge is today essentially a two-span stringer bridge that has trusses mounted on the side for decoration and to hold the guardrail. Despite these alterations, the bridge is a look at an unusual example of the work that prolific Nelson and Buchanan did.
The Historic Bridge Inventory says that "The fabricator is undocumented." This proves that either nobody ever even visited this bridge in conjunction with the inventory, or they visited with their eyes closed. Mounted in plain sight right on the bridge trusses is a plaque declaring Nelson and Buchanan as engineers and contractors for the bridge.
Information and Findings From Pennsylvania's Historic Bridge Inventory
Discussion of Bridge
The rivet-connected Pratt pony truss bridge has significant loss of integrity due to alterations converting the bridge from a 1-span truss bridge to a 2-span continuous steel stringer bridge. Alterations include loss of floorbeams and original flooring system and replacement by steel stringers and a steel deck pan. A concrete pier was added at midspan. The truss lines now serve as railings. The lower chords have been partially lost due to severe rust. According to inspection reports, the bridge was originally built in 1904. The fabricator is undocumented. More distinguished and less altered examples of Pratt pony truss bridges have been identified in the county and region. The altered bridge is not significant for its setting or context.
Discussion of Surrounding Area
The bridge carries one lane of traffic over a stream in a sparsely developed, rural area with scattered 20th-century residences. A trailer home is at one quadrant of the bridge. The setting does not appear to have historic district potential.
Bridge Considered Historic By Survey: No
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