Portland Canal Main Wall Repairs – Starting October 27, 2025, they will begin repairing the main wall of the Portland Canal. They will pass traffic N/B 0700-1000, No traffic will pass from 1000-1500, N/B only from 1500-1900, then all traffic will pass from 1900-0700. They expect this to last until April 2026.
Chicago/Illinois/Upper Miss
Upper Miss Re-Opening – ACBL has distributed our annual guidance for accepting release dates for the Upper Mississippi above St. Louis. Click here for our full guidance.
2026 Planned Illinois River Lockport Closure – Closure of the Lockport Lock, River Mile 291, starting March 31st, 2026, thru May 19th, 2026. Click here for our full guidance.
Illinois River Lockport Re-Opening – ACBL has distributed our annual guidance for accepting release dates above Lockport Lock. Click here for our full guidance.
Illinois Lock Delays due to river conditions:
Marseilles Lock (IR 244.6)
Starved Rock Lock (IR 231)
Peoria Lock Delay (IR 157.7)
Lagrange Lock (IR 80)
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 .05% NBD Gulf to Cairo.
Tow size has been reduced pending horsepower classification by 14% (5 barges)
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.
C.W. Bill Young Lock Closure (AR 14.5) – The Allegheny River lock will be closed for maintenance from March 16th thru April 10th. A full river closure will be in effect during this period.
Old River Lock Closures (LM 303) – Beginning February 9th and continuing until further notice, the lock will be subject to intermittent delays during daylight hours (up to 10 hours daily) for repairs.
Daytime closures from 0630-1730 beginning January 30th thru March 27th to facilitate demolition of the river end guidewall.
Brazos Lock Closure (WC 401) – Dredging operations will require daily closures from 0700 to 1900, beginning February 10th and continuing through March 5th.
Calcasieu Lock North Chamber Wall Replacement (WC 238) – Beginning in March 2026 there will be two 35-day, Daytime lock closures at the Calcasieu Lock. Expected to last until October. Max width during the nighttime passings will be 54′.