Olmsted Locks and Dam was authorized as a replacement for existing Locks and Dams 52 and 53 by the United States Congress on 17 November 1988, by the passage of the Water Resources Development Act of 1988 (Public Law 100-676). <p>Olmsted Locks and Dam construction began in 1992 and the work is scheduled for completion in 2014. When completed, the upper pool dam will extend upstream for a distance of 45.9 miles to the Smithland Locks and Dam at mile 918.5.
The Olmsted Locks and Dam is located on the Ohio River near Olmsted, Illinois, at mile 964.4 below Pittsburgh, Pennsylvania. The Navigation locks are located on the right descending bank or Illinois side of the river.
USACE - US Army Corps of Engineers