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.
Markland Lock Closure (OR 531.5) – Beginning March 9th thru April 17th, the primary chamber will be closed for repairs to the miter gate. All traffic will utilize the auxiliary chamber.
Barkley Lock Closure (CR 30.6) – March 2nd thru March 12th, possible 4-hour closures between lockage’s, to facilitate repairs to the downstream miter gates.
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.
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.
Port Allen Channel Closures (PA 63.7) – Daily closures from 0700-1800, March 16th thru March 20th, for demolition of the old LA Hwy 1 Bridge.
Gulf Region Fog – As of February 27th, due to dense fog in the area, several operators are experiencing disruptions. Delays are anticipated.
Inner Harbor Navigation Canal Lock (Industrial Canal Lock EC 1) -Two daytime closures will occur on March 2nd and March 4th. Afterwards, the lock will resume normal operations until March 16th.
March 16th: Instillation of barges moored end-to-end to pilings in the area to protect the St. Claude Ave bridge piers. More info to come.
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′.
