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This bridge is a truss bridge built by the Toledo Bridge Company, which was originally the Smith Bridge Company. Venango County appears to have favored this company as a disproportionate number of bridges built by the company survive compared to other Pennsylvania counties.
This bridge is noteworthy from a preservation standpoint. While not an optimal preservation solution, it does represent one of the broad spectrum of alternatives available to demolition and replacement of a historic bridge. This bridge demonstrates a scenario where the truss is rendered decorative with a new loadbearing structure. Other approaches to installing a new loadbearing bridge include adding a steel arch within the truss lines, placing stringers below the existing bridge's floorbeams, or first removing the floorbeams and deck system and placing stringers within the footprint that was occupied by the floorbeams. The solution seen on this bridge obstructs the view of the trusses somewhat, however it does not require alteration of the floorbeams or other parts of the truss, so original materials remain on the bridge.
Aside from the addition of a load-bearing superstructure, this bridge retains good historic integrity. The extensive use of battens and absence of v-lacing or lattice on built-up beams is characteristic of Smith / Toledo Bridge Company. The bridge has a 45 degree skew, noteworthy and uncommon for a pin-connected truss bridge.
Information and Findings From Pennsylvania's Historic Bridge InventoryDiscussion of Bridge The bridge was rebuilt in 1997 with a steel stringer superstructure placed between the 1897 pin connected pony truss bridge, which remains in place. The new stringer carry the live loads while the trusses support themselves. Discussion of Surrounding Area The bridge carries a 1 lane township road over a stream in a rural area of active farms. The bridge provides access to three residences. Bridge Considered Historic By Survey: No |
This bridge is tagged with the following special condition(s): Trusses Converted To Decorative
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