This bridge is an attractive example of a 1930s standard plan truss bridge in Pennsylvania. The bridge is quite skewed, which adds to the interest of the structure. The bridge has not been properly maintained, and the sidewalk has deteriorated severely. This bridge is yet another example of how improper attention to maintenance has resulted in the loss of fiscal efficiency, but more importantly, this results in the loss of historic structures that could otherwise continue to be beautiful and functional parts of this country's transportation infrastructure.
PennDOT was recently rewarded for its impressive wasting of taxpayer dollars by being allowed the funds to replace this bridge on new alignment, the conclusion of which includes the demolition of this bridge, and the loss of yet another so-called "not historic" 1930s riveted truss bridge with a heavy skew. Historicbridges.org has long argued that bridges like this should be considered historic. While they may have not introduced new design methods when they were built in the 1930s, they remain a record of the craftsmen who built them, and are further a record of the unique bridge designs developed by the state highway department... as well as the rivets and built-up beams... all features and designs not used since at least the 1960s, and features which are never to be used or seen again in anything but historic preservation work. They are for this reason very worthy of being called historic and deserving of preservation.
Information and Findings From Pennsylvania's Historic Bridge Inventory
Discussion of Bridge
The skewed, one span, 190'-long, riveted Pratt thru truss bridge built in 1938 is supported on horizontally scored concrete abutments with wingwalls. The trusses are traditionally composed with rolled section used for the web members. The portal braces are bulky because of the extreme skew. The bridge is typical of the department's late 1930s high capacity truss designs, and it is not technologically significant. The bridge was built to enhance vehicular traffic, not the efficiency of the railroad, so it is not historically significant in association with the railroad.
Discussion of Surrounding Area
The bridge carries a three-lane road and sidewalks over six Pittsburgh & Lake Erie Railroad tracks in Monaca. There is a modern strip shopping center beyond the southwest quadrant, and the Pittsburgh Tube Co. mill beyond the north end. The railroad was a major regional hauler of steel-related raw materials and products.
Bridge Considered Historic By Survey: No
This historic bridge has been demolished. This map is shown for reference purposes only.
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