RIAC – Upper Mississippi River Winter Lock Closure Schedule

FYI, Below are the known dates for winter 2023/2024 lock and bridge closures on the Upper Mississippi River:

Lock 2 – Closed 4-Dec-2023 – 5-Mar-2024 – Dewater Lock.

Lock 4 – Closed 4-Dec-2023 – 5-Mar-2024 – End cell rehab.

Sabula RR Bridge – Closed 11-Dec-2023 – 11-Mar-2023 – Swing span machinery rehab.

Lock 17 – Closed 18-Dec-2023 – 04-Mar-2024 – Lock wall rehab.

Locks 18 thru 27 open all winter.

Other potential winter projects depending on FY23 contract award:

LD3 guide wall crib rehab
LD7 guide wall crib rehab

Thank you,

Casey M. Herschler
Canton Marine Towing Co.
O: 573.288.4486 - C: 217.257.1749
Email: cherschler@cantontowing.net