Meldahl (OR 436.2): Downstream Miter Gate and Culvert Valve repairs | Auxiliary Chamber Closure – estimated for September/November
Markland (OR 531.5): Down Stream Gate Rehab | Auxiliary Chamber – estimated for October/November
Marmet (KR 67.7): Inspection, dewatering, and misc. repairs | Main Chamber Closure
McAlpine Lock Closure (OR 606) – Beginning April 29th thru September 20th there will be intermittent daytime closures for southbound traffic from 0700 to 1900, Monday through Saturday, to facilitate work on the Portland Canal wall. Northbound traffic will be permitted to transit, provided there are no divers in the water.
Meldahl Lock (OR 436.2) –
Main chamber closure beginning the afternoon of June 13ththru September 2025 for maintenance to gates and lifting mechanisms. All locking operations will utilize the Small Chamber.
Nickajack Lock Closures(TR 424.7) – Scheduled daily intermittent closures, August 11th thru September 11th, from 0600-1600 for repairs to a filling valve.
Pickwick Lock Closure (TR 206.7) – Scheduled Main Chamber closure beginning July 7th thru October 7, 2025, for work on the upper gate. The auxiliary chamber will remain open to navigation during this time.
Kentucky Lock (TR 22.3) – Congestion due to Barkley Lock Closure.
Barkley Lock Closure (CR 30.6) – July 7th thru August 7th there is a full closure for gear/strut arm replacement.
Chicago/Illinois/Upper Miss
2026 Planned Illinois River Lock Port Closure – Closure of the Lockport Lock, River Mile 291, starting March 31st, 2026, thru May 19th, 2026.
Lower Miss/Gulf/Canals/Tenn Tom
Lower Miss Operational Impact –
Due to the current river stage and operating conditions, ACBL has implemented draft restrictions listed below.
Loading drafts were reduced to 0.05% NBD Gulf to Cairo.
No reduction in tow size at the moment.
Normal Water Stages:
Caruthersville to Memphis (LM 869- 725): 20′ – 5′
Memphis to Vicksburg (LM 725 – 439): 40′ – 20′
Vicksburg to Natchez (LM 439- 303): 30′ – 10′
Low Water Stages:
Caruthersville to Memphis (LM 869- 725): Below 5′
Memphis to Vicksburg (LM 725 – 439): Below 20′
Vicksburg to Natchez (LM 439- 303): Below 10′
For current river stage information, please refer to the links at the bottom of this page.
Dardanelle Lock 10 (AK 205.5) – Scheduled daily closures with 70′ width restrictions from 0700-1900 beginning June 15th thru September 30th for construction.
James W. Trimble Lock (AK 292.8) – Scheduled daily closures with 70′ width restrictions from 0700-1900 beginning June 15th thru September 30th for construction.
Bayou Sorrel Lock Closures (PA 36.7) – Intermittent closures for scheduled repairs are beginning July 21st thru September 11th, Monday thru Thursday, 0630-1800.
Victoria Bend Revetment (LM 594) – Daily intermittent closures beginning August 1st thru August 14th, 0700-1900, to perform bank stabilization.
Baton Rouge Dredging (LM 234.5-233) – Dredge Hurley will begin operations within the Upper Baton Rouge Bridge area on July 20th. Daylight restrictions to begin the evening of July 17th for any tows over 105′ wide.
Algiers Canal Closures (AC 3.8) –
Old Hwy 23 Lift Bridge/Belle Chasse Bridge will undergo daily channel closures from Monday to Saturday, between May 19th and October 25th, from 0600 to 1430, due to the second phase of the remaining bridge structure demolition.
Colorado River Locks (WC 440) – The East and West locks will have daytime restrictions Monday through Friday, January 29th thru August 29th.
Leland Bowman Lock Closure (WC 163) –
Intermittent closures Monday thru Friday, from 0700-1700, to continue making repairs to the guide walls on the following dates:
August 4th – August 14th
August 18th – August 19th
Bayou Boeuf Lock (WC 93.3) – Repairs are scheduled beginning July 14th, Monday thru Friday, 0700–1730, are expected to last thru August 15th. Bayou Chene is available as an alternate route.
