Coraopolis Bridge, Dual-purpose bridge in Coraopolis, Pennsylvania.
Coraopolis Bridge spans a back channel of the Ohio River connecting Grand Avenue on Neville Island to Ferree Street using steel girder construction. The span carries both vehicle traffic and railway tracks on a single structure.
The original structure was completed in 1892 using Pratt through truss design, drawing on components from an earlier bridge configuration. The structure underwent significant changes as transportation needs evolved.
The bridge serves as a working passage where daily traffic and trains move across the river, connecting two sides of the industrial landscape.
The bridge is in daily use by vehicles and freight trains, so visitors should be aware of active traffic when viewing it. Walking along or near the structure is possible outside of peak traffic hours.
In 1927, engineers floated the original structure downstream on barges rather than demolishing and rebuilding it. This unusual approach allowed proven components to be reused at a new location.
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