Home / Missions / Navigation / Navigation Notices
Navigation               Navigation Charts              Locking 

Navigation Notices

  • TD 2025-8, Shoaling, Webbers Falls Pool 16

    SHOALING WEBBERS FALLS POOL No. 16 NM 373.5 to 373.9 LEFT DECENDING CHANNEL Webbers Fall Pool No.16 has shoaling between NM 373.5 to 373.9 on the left descending channel.  Shoaling extends ~80-ft into the channel through a section of this area.  USACE survey crew has identified adequate depths along the right descending channel (green line).

  • TD 2025-7, Shoaling, Lock 18 Lower Approach

    SHOALING NM 421.3 TO 421.4 LOCK 18 LOWER APPROACH USE EXTREAM CAUTION WHILE TRANSITTING THIS AREA Mariners are advised to use extreme caution while transiting the downstream approach to Lock 18, NM 421.3 to 421.4.  Shoaling is encroaching the left descending channel into the Lock approach ~20-ft off the guard wall.  Channel width is restricted to

  • TD 2025-6, Highway 62 Bridge Construction

    USE CAUTION WHILE TRANSITTING NM 392.5 DUE TO CONSTRUCTION ACTIVTIES ON HWY 62 BRIDGE Mariners are advised to proceed with caution when navigating NM 392.5 due to ODOT construction activities on the Highway 62 bridge. Mariners are advised to check navigation conditions by hailing M/V Karl R on CH 16 for the latest construction activities. For

  • TD 2025-5.1, Lock Open to Navigation Traffic, Newt Graham L&D 18

    LOCK OPEN TO NAVIGATION TRAFFICNEWT GRAHAM L&D No. 18, NM 421.5 Crews have completed repairs to broken sector gear arm, Lock is open to navigation traffic.Questions or request for additional information concerning this notice for Lock 18 should be directed to Mr. Kenneth Todd, Deputy Operations Project Manager (918) 607-0951 or Mr. Jacob Simpson,

  • TD 2025-5, Notice of Lock Closure, Newt Graham L&D 18

    NOTICE OF LOCK CLOSURENEWT GRAHAM L&D No.18, NM 421.5Newt Graham Lock and Dam 18 is closed until further notice. Crews are actively working to make repairs to a broken sector gear arm but the lock will need to remain closed. There are uncertainties in the amount of time it will take complete their work. Mariners are advised to stay up to date with

  • TD 2025-4.1, NOTICE OF CANCELED LOCK CLOSURE WEBBERS FALLS L&D No. 16, NM 366.6

    Navigation Notice of Cancellation of Lock Closure at Webbers Falls Lock & Dam 16.

  • TD 2025-4, Notice of Scheduled Lock Closure, Webbers Falls L&D No. 16

    NOTICE OF SCHEDULED LOCK CLOSUREWEBBERS FALLS L&D No. 16, NM 366.6Maintenance closure is scheduled for Aug 25th – Sep 14th, 2025  to replace downstream pintleballs at Webbers Falls L&D No. 16.Delays of four or more hours should be expected two weeks preceding the scheduled closure as crews prepare the work site. Questions or request for additional

  • TD 2025-3.1, Webbers Falls Lock 16 Reopened

    WEBBERS FALLS LOCK (No.16) NM 366.2, IS REOPENED TO NAVIGATION TRAFFICWebbers Falls Lock No. 16, NM 366.2 is now open to navigation traffic. Crews removed large debris from sill allowing gates to be fully mitered (closed). //signed//Parkey, Bobby J,Deputy Chief, Operations Division

  • TD 2025-3, Unscheduled Lock Closure, Webbers Falls Lock 16

    UNSCHEDULED LOCK CLOSURE WEBBERS FALLS LOCK (No.16) NM 336.2, FAILURE OF LOWER MITER GATES CLOSE COMPLETELYWebbers Falls Lock No. 16, NM 336.2 is closed to navigation traffic due to issues with the downstream miter gates not closing all the way to achieve a proper miter. Crews are on site and working to correct the issue and the lock will reopen to

  • TD 2025-2, Notice of Potential Delays Newt Graham L&D 18

    NOTICE OF POTENTIAL DELAYSNEWT GRAHAM L&D 18 NM 421.5Mariners can expect delays from 0900 to 1600 on February 27th at Newt Graham L&D No. 18 as crews perform a structural inspection of the miter gates.Mariners are advised to stay up to date with the latest information. Waterway users are asked to check with Lock 18 for the latest information and

Recreational Lockage Policy

Locking at 14, 15, 16, 17 and 18 on the Oklahoma portion of the McClellan-Kerr Arkansas River Navigation System is available to recreational boaters 24 hours per day, 7 days per week. 

Oklahoma Lock and Dam Phone numbers:

W. D. Mayo L&D 14.............(918) 962-3481
Robert S. Kerr L&D 15.........(918) 775-2091
Webbers Falls L&D 16.........(918) 489-5987
Chouteau L&D 17................(918) 687-4501
Newt Graham L&D 18..........(918) 543-2216

For additional information concerning Navigation issues contact:

Navigation Project Office
HC 61 BOX 238
SALLISAW OK 74955
Phone: (918) 775-4475

FOR ISSUES REGARDING RECREATION ALONG THE NAVIGATION SYSTEM PLEASE CLICK HERE AND GO TO OUR CONTACT A LAKE PAGE.