Lock Closures: Upper Mississippi River, Lock No. 12,13 & 15
Notice Number: 201479/MR 22-201479
Date: 12/13/2022 07:00 thru 03/03/2023 12:00
Lock 12, UMR Mile 556.7 will be closed to all navigation from 0700 hours on Tuesday, December 13, 2022 until 1200 hours on Friday, March 3, 2023. The purpose of the closure is for maintenance and repairs associated with dewatering the lock chamber. Work to be performed will include installation of the sill beam and concrete along the downstream bulkhead sill; inspection/adjustment of lock miter gates; upper anchorage bar modifications; replacement of the lock air bubbler system; other miscellaneous repairs; and an inspection of the facility.
Towboat operators are requested NOT to tie up on the guidewalls during the closure period. Please contact the lock at 563-872-3314 or on channel 14 for assistance.
Navigation Notice: 201480/MR 22-201480
Date: 12/14/2022 07:00 thru 01/06/2023 12:00
Lock 13, UMR Mile 522.5 will be closed to all navigation from 0700 hours on Wednesday, December 14, 2022 until 1200 hours on Friday, January 6, 2023. The purpose of this closure is to replace the anchorage bars on each upper gate.
Towboat operators are requested NOT to tie up on the guidewalls during the closure period. Please contact the lock at 815-589-3313 or on channel 14 for assistance.
Notice Number: 201478/MR 22-201478
Date: 01/03/2023 07:00 thru 03/03/2023 12:00
Lock No. 15, UMR Mile 482.9 will be closed to all navigation from 0700 hours on Tuesday, January 3, 2023 until 1200 hours on Friday, March 3, 2023. The purpose of the closure is to make repairs to No.2 Miter Gate Machinery components.
Towboat operators are requested NOT to tie up on the guidewalls during the closure period. Please contact the lock at 309-794-5266 or on channel 14 for assistance.
//signed//
Robert V. Castro, P.E.
Chief, Lock and Dam Section
Mississippi River Project
