Featuring former vehicular decks cantilevered from the sides of the trusses with a railroad deck in the middle, this bridge is also noted for its variety of truss designs. Because of this variety, this bridge is hard to classify into main and approach spans. Typically HistoricBridges.org considers the movable span of a bridge to be the main span. However, the estimated 625 foot fixed Pennsylvania truss spans of this bridge are both visually dominating and technologically noteworthy for their extremely long span length, and therefore have been listed as the main spans here. However, the 400 foot swing span is large in its own right. It is a bit comical looking because its height above the river is so great that it may be somewhat unexpected to see a movable span at all. Adding to the novelty in the present day is that this swing span (which no longer is needed to open for boats) doesn't even line up with the lock system that is on the Ohio River at this location to accommodate the elevation change associated with the Falls of the Ohio. Reportedly, the swing span was intended to be used during periods of high water levels, and was never meant to operate for typical boats and river conditions.
The cantilevered vehicular decks of this bridge have been abandoned, and the bridge serves railroad traffic only today. However, the vehicular decks remain in place (as of 2016) and thus the bridge retains the historic integrity associated with the vehicular function this bridge once served.
The consulting engineers listed for this bridge are Jason M. Johnson and John E. Greiner. Of these two, Greiner is more well-known, as he went on to form his own engineering practice and designed many large bridges.
Foster-Creighton-Gould Company of Nashville, Tennessee built the bridge substructure, and the American Bridge Company of New York, New York built the superstructure.
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