Railroad pony truss
bridges are not common. Shorter spans usually end up being some variety of plate girder and longer spans are usually through trusses.
As a result, this is a significant, uncommon structure. A railroad pony truss is not just
a rare find, it is an impressive find, especialy when it is carrying a deck that
was originally designed for two sets of tracks. The trusses are massive to support the wide double-track railway! The
bridge is a Pratt truss, and it features riveted connections. The gusset plates for the
connections are so big, they are a third the height of the trusses!
Photo Galleries and Videos: Mahoningtown Railroad Bridge
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