Kentucky River Authority logo featuring trees and a river

Lock and Dam 7

Lock and Dam 7 were built from 1896-1897 and support a twenty three mile long pool of water. The original dam was a timber crib structure, consisting of an outside frame of timbers filled with dirt and rock, and the original lock was stone masonry. The structures are located one hundred and seventeen miles above the mouth of the Ohio River. A cutoff wall was placed inside the lock in 2006.


  • 1896-1897 Original construction of lock and dam
  • 1914 First concrete overlay on the timber crib dam
  • 1994-1995 River guide wall was removed, Downstream face voids were filled with a new concrete overlay, derrick stone was placed below the dam
  • 2006 Concrete cutoff wall and water release valve were placed in the lock chamber


Locks and Dams