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Keokuk Lock

on the Mississippi River at Keokuk, Iowa

Length 1,200 feet
Width 110 feet
Height 38 feet

Built between 1952 and 1957, the current Keokuk Lock replaced a 1910-1913 lock, That lock, and an associated dam, obliterated the Des Moines Rapids, which until then had effectively been the northern barrier to traffic on the Mississippi River.

The old lock, which was 110 feet wide, 358 feet long, and 40 feet tall, a 130x463x20-foot dry dock, the Keokuk Dam, and the current lock are now listed on the National Register of Historic Places as Lock and Dam No. 19 Historic District.

Keokuk Lock

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The Robinson Library >> Technology >> Hydraulic Engineering >> Canals and Inland Navigation

This page was last updated on January 15, 2017.