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This is a large, impressive, and extremely rare Parker patent pony truss bridge. As originally designed, this bridge had two overhead portal braces. Those no longer remain on the bridge, effectively turning the bridge into a pony truss. In 1900, this bridge had a riveted deck truss added to help support loads. Perhaps at this time as well, the original railing was replaced with a new, ornamental railing. In 1980, the deck truss was removed, and load-bearing steel stringers were installed, rendering the bowstring trusses non-structural and decorative only. Despite alteration, this bridge remains highly significiant as an example of the original patented design of Parker truss that inspired decades of Parker truss construction into the 20th century.
Above: Historical photo showing bridge as originally designed with overhead portal bracing.
Above: Historical photo showing bridge as originally designed with overhead portal bracing.
Above: Historical photo showing bridge as originally designed with overhead portal bracing.
Above: Historical photo showing bridge as originally designed with overhead portal bracing.
Above: Photo showing the 1900 deck truss prior to removal. Photo Credit: Historic American Engineering Record.
Above: Historical advertisement for Parker patent truss bridge.
Above: Historical advertisement for Parker patent truss bridge.
Above: Historical advertisement for Parker patent truss bridge.
This bridge is tagged with the following special condition(s): Trusses Converted To Decorative
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