Robert C. Byrd Lock and Dam

38°40′54″N 82°11′24″W / 38.6816°N 82.1900°W / 38.6816; -82.1900Construction beganAugust 25, 1937Opening dateOctober 1937Construction costLock Replacement $244,550,000
Dam Rehabilitation $46,700,000Operator(s) United States Army Corps of Engineers Huntington DistrictDam and spillwaysType of dam8 Roller gatesImpoundsOhio RiverLength1,132 feetReservoirNormal elevation538 feet above sealevel

The Robert C. Byrd Lock and Dam, formerly the Gallipolis Lock and Dam, is the 10th lock and dam on the Ohio River, located 280 miles downstream from Pittsburgh. There are 4 locks: one for commercial barge traffic, 1,200 feet long by 110 feet wide; the auxiliary lock is 600 feet long by 110 feet wide; and there are 2 smaller parallel locks.^[1]

• List of locks and dams of the Ohio River
• List of locks and dams of the Upper Mississippi River

• U.S. Army Corps of Engineers, Pittsburgh District
• U.S. Army Corps of Engineers, Huntington District
• U.S. Army Corps of Engineers, Louisville District
• Historic American Engineering Record, Gallipolis Locks & Dam, Locks, Across Ohio River, Gallipolis, Mason County, WV