River Closures and Restricted Movements

Ohio/Tennessee/Cumberland

  • McAlpine Lock Closure (OR 606)
    • 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.
  • Inner Harbor Navigation Canal Lock (Industrial Canal Lock EC 1) –
    • 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′.