Olmsted Locks and Dam, Lock and dam complex on the Ohio River, Kentucky.
The Olmsted facility includes two 1,200-foot-long lock chambers and a dam spanning 3,575 feet across the Ohio River near Illinois.
Construction of this infrastructure project began in 1995, requiring over two decades and three billion dollars to complete the entire installation.
The structure represents a major achievement in American civil engineering, marking the largest inland waterway project undertaken in United States history.
Commercial vessels passing through these locks reduce their transit time to under one hour, compared to extended delays at previous installations.
Engineers constructed substantial portions of the dam using an in-the-wet technique, placing precast concrete shells directly into the flowing river.
Location: Kentucky
Location: Pulaski County
Part of: locks and dams of the Ohio River
GPS coordinates: 37.18380,-89.06350
Latest update: May 11, 2025 03:42
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