SCHEDULED LOCK CLOSURE
Locks 27 Main Lock
Upper Mississippi River mile 185.5
1. Crane operations along with underwater inspection activities will require a short duration closure of the Main Lock at Locks 27 from 1200 to 1600 hours on 12 June 2023.
2. All navigation interest should be alert for, and abide by, any special instructions that may be issued by the Lockmaster.
FOR THE DISTRICT ENGINEER:
Andrew C. Schimpf, P.E.
Rivers Project Manager