Scheduled Lock Closure: Melvin Price Locks & Dam-Main Lock Upper Mississippi River Mile 200.5

Notice Number: 201255/22-09

Date: 01/01/2023 00:00 thru 03/31/2023 23:59

The Melvin Price Main Lock will be closed for 90 days, from 1 January through 31 March 2023. The closure is required for Phase 1 of the Upstream Liftgate Replacement construction contract. Piers overlooking the upstream liftgate will be modified, to include all associated structural, geotechnical, mechanical, and electrical work, in preparation for the new upstream liftgates.

The Auxiliary Lock will remain and available for transit.




Andrew C. Schimpf, P.E.
Rivers Project Manager