Hannibal Locks and Dam

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Hannibal Locks and Dam
Hannibal lock & dam.jpeg
Official name Hannibal Locks and Dam
Location Flag of the United States.svg Hannibal, Ohio, / New Martinsville, West Virginia
Coordinates 39°40′01″N 80°51′57″W / 39.667003°N 80.865905°W / 39.667003; -80.865905Coordinates: 39°40′01″N 80°51′57″W / 39.667003°N 80.865905°W / 39.667003; -80.865905
Construction began 1967
Opening date 1975
Operator(s) United States Army Corps of Engineers logo.svg United States Army Corps of Engineers Pittsburgh District
Dam and spillways
Impounds Ohio River
Length 1,403 feet (428 m)
Width (base) 1,100 feet (340 m)
Power station
Operator(s) City of New Martinsville
Installed capacity 37.4 MW

The Hannibal Locks and Dam are a United States Army Corps of Engineers concrete locks and lift gate dam, located at river mile marker 126.4 on the Ohio River at Hannibal, Ohio and New Martinsville, West Virginia. The locks and dam were built to replace the wicket-type locks and dams Number 12, 13 and 14. Construction on the locks were started in 1967 and completed in 1972. Construction on the dams were started in 1970 and completed in 1975.[1]

A 37.4 MW hydroelectric power plant is located on the left descending bank of the Ohio River at New Martinsville, West Virginia, abutted to the dam. The power plant is owned and operated by the City of New Martinsville.[2]

An observation tower, along with public-use areas, picnic shelters and restroom facilities are available to groups and individuals during daylight hours, seven days a week.[3]

See also[edit]