AMENDMENT Navigation Notice: 206443-1, 206443_NTN-04_GI_CRL_2024-03 LOCK CLOSURE Gulf Intracoastal Waterway, Colorado River Locks, Texas

Notice Number: 2026443-1/206443-1_206443_NTN-04_GI_CRL_2024-03
Date: 04/03/2024 05:00 thru 04/10/2024 05:00


The U.S. Army Corps of Engineers, Southwest Division, Galveston District (USACE SWG) work crew will be working at the Colorado River Locks. The USACE - SWG work crew will remove sand, silt, and oyster shell from the canal side gate recesses. This work will require possible closure of the Locks during the designated periods of work. 3 or more hours during the closure time periods, depending on success of the work performed. This means there will be many periods of time the Lock is open to all traffic.

TIME: Repair work will take place from Wednesday, 03 April 2024 thru Wednesday, 10 April 2024 20 April 2024, 8:00 A.M. (0800 hrs.) to 5:00 P.M. (1700) each day. Work will possibly include the weekend.


  • Mariners should contact the Lock Master at office phone (979) 863-7842 Ext. 2002 or government cell phone (979) 482-7321 to confirm the closure time to minimize their delay.
  • The Lock Master will be knowledgeable of the exact closure times 24 hours in advance of closure.
  • Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made.



Frabotta, Christopher C, Chief, Operations Division