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  • Belleville Locks and Dam

    The Huntington District is home to the Belleville Locks and Dam located on the Ohio River at mile 204. Belleville Locks sit 203.9 miles below Pittsburgh, PA, and 0.5 miles below Belleville, WV. The two navigation locks are located on the right bank (Ohio side) of the river. The upper pool maintained above the dam extends upstream for a distance of 42.2 miles to Willow Island Dam.
  • Cannelton Locks and Dam

    Welcome to the Cannelton Locks and Dam. The Cannelton Locks and Dam is located on the Ohio River at mile 720.7 below Pittsburgh, Pennsylvania. It is three miles upstream from Cannelton, Indiana. The navigation locks are located on the right descending bank or Indiana side of the river.
  • Captain Anthony Meldahl Locks and Dam

    Meldahl Locks and Dam are located at mile 436 of the Ohio River in Felicity. Estimated construction $74,082,900.
  • Greenup Locks and Dam

    The locks were open to navigation in 1962. The U.S. Army Corps of Engineers replaced a set of aging gates at the Greenup Locks and Dam in 2012 at a cost of approximately $12 million.
  • John T. Myers Locks and Dam

    Welcome to the John T. Myers Locks and Dam. The John T. Myers Locks and Dam is located on the Ohio River about 3.5 miles downstream from Uniontown, Kentucky, at mile 846.0 below Pittsburgh, Pennsylvania. The navigation locks are located on the right bank or Indiana side of the river.
  • Markland Locks and Dam

    Welcome to the Markland Locks and Dam. The Markland Locks and Dam is located on the Ohio River at mile 531.5 below Pittsburgh, Pennsylvania. It is 26.5 miles upstream from Madison, Indiana and 3.5 miles downstream from Warsaw, Kentucky. The navigation locks are located on the Kentucky side of the river.
  • McAlpine Locks and Dam

    Welcome to the McAlpine Locks and Dam. The McAlpine Locks and Dam is located on the Ohio River 604.5 miles below Pittsburgh, Pennsylvania, at the northwestern end of Louisville, Kentucky, in the Portland neighborhood. The navigation locks are located on the Kentucky side of the river at mile 606.8. The upper pool extends approximately 75 miles to the Markland Locks and Dam.
  • Newburgh Locks and Dam

    Welcome to the Newburgh Locks and Dam. The Newburgh Locks and Dam is located on the Ohio River near Newburgh, Indiana, at mile 776.1 below Pittsburgh, Pennsylvania. It is about 16 miles upstream from Evansville, Indiana. The Navigation locks are located on the right descending bank or Indiana side of the river.
  • Ohio River Locks and Dams Regional Master Plan

    The U.S. Army Corps of Engineers is in the process of updating the Regional Master Plan for six of the locks and dams located on the Ohio River to include Meldahl Locks and Dam, Greenup Locks and Dam, Robert C. Byrd Locks and Dams, Racine Locks and Dam, Belleville Locks and Dam and Willow Island Locks and Dam. Normally, USACE would conduct a face-to-face public workshop to announce the start of the revision and to request comments from the public. However, precautions associated with the COVID-19 virus have made it necessary to conduct the public involvement process online instead of hosting a face-to-face workshop.
  • Olmsted Locks and Dam

    Welcome to the Olmsted Locks and Dam. The Olmsted project consists of two 110’ x 1,200’ locks adjacent to the Illinois bank, and a dam comprised of five tainter gates, 1,400’ of boat-operated wickets and a fixed weir.
  • Racine Locks and Dam

    Two parallel locks, main lock 1200' by 110', auxiliary lock 600' by 110', miter service gates, vertical-lift emergency gates. Non-navigable, high-lift, gated dam, top length of 1,173'. Eight tainter gates, clear span 110' between 15' intermediate piers and 16' end piers, damming height 32' above sills, clearance above maximum high water when fully raised approximately 5'. The hydropower unit is completed.
  • Robert C. Byrd Locks and Dam

    Non-navigable, high-lift, gated dam, top length of gated section 1,132'. Eight roller gates, clear span 125'-6 between 16-foot piers, damming height of 29'- 6' above sills.
  • Smithland Locks and Dam

    Welcome to the Smithland Locks and Dam. Smithland Locks and Dam is located on the Ohio River at mile 918.5 below Pittsburgh, Pennsylvania and 62.5 miles upstream of the confluence of the Ohio and Mississippi rivers. The locks are on the Illinois side of the Ohio River accessible via the New Liberty Road reached from either Golconda or Brookport, Illinois.
  • Upper Ohio River Navigation Project

    The Upper Ohio Navigation Project is part of the National Economic Development (NED) plan for improving the upper Ohio River navigation system, specifically the Emsworth, Dashields and Montgomery locks and dams. Emsworth, Dashields and Montgomery, each constructed prior to 1936, are the first three locks and dams on the Ohio River downstream of the Point of Pittsburgh. These facilities have the oldest and smallest lock chambers in the entire Ohio River Navigation System. The project replaces each auxiliary lock chamber (56’ wide by 360’ long) with a new lock chamber (110’ by 600’) at each facility. This new lock chamber would serve as the new main lock chamber. The fully-funded, total project cost for all three new chambers is $2.1 billion, which would be cost-shared jointly by the General Fund (65%) and the Inland Waterways Trust Fund (35%) (2021 Cost Level). The project’s incremental benefit-to-cost ratio is 2.4 to 1 (at the current discount rate of 2.75%).
  • USACE Environmental Operating Principles

    The U.S. Army Corps of Engineers (USACE) Environmental Operating Principles (EOPs) were developed to ensure that USACE missions include totally integrated sustainable environmental practices. The EOPs provided corporate direction to ensure the workforce recognizes USACE's role in, and responsibility for, sustainable use, stewardship, and restoration of natural resources across the nation and, through the international reach of its support missions.
  • Willow Island Locks and Dam

    AuthorityRiver and Harbor Act of 3 March 1909, Sixtieth Congress, 2nd Session.CostEstimated construction $76,520,800.DamNon-navigable, high-lift, gated dam, top length 1,128' including 111-foot fixed weir with 84-foot open crest. Eight tainter gates, clear span 110' between piers, damming height 26' above sills, clearance above maximum high water