Big Four Bridge, Spanning Ohio River, Louisville, Jefferson County, KY

Significance: The Big Four Bridge as it exists today consists of six spans, three Baltimore truss spans and three Parker through trusses. There are two approach spans on the south and one on the north end of the bridge. The bridge carried the Cleveland, Cincinnati, Chicago, and St. Louis Railroad over the Ohio River between Louisville and Jeffersonville, Indiana. Piers supporting the approach spans are of concrete, those in the center are masonry. Connections are riveted. The Big Four Bridge was built in 1929 by the Louisville & Jeffersonville Bridge Co. on the piers of an earlier bridge. The central spans are 547' long. The Big Four Bridge was abandoned following the merger that formed the Penn Central Railroad.
Survey number: HAER KY-10
Building/structure dates: 1929 Initial Construction