5 Jan 2024

MKARNS Nav Notice No. SWL 24-02 Lock 2 Closure

Lock No. 2 (NM 13.3) will be closed to traffic beginning at 7 a.m. on February 5, 2024, until 7 p.m. on February 9, 2024. This is to allow workers to upgrade the lock interlock system which is an integral safety function of the Lock.

5 Jan 2024

MKARNS Annual Navigation Notice No. 1-2024

As a result of partnering efforts with navigation stakeholders, the attached consolidated Notice to Navigation Interests has been prepared for the McClellan-Kerr Arkansas River Navigation System (MKARNS). The intent is to provide consistency by reviewing and informing current district regulations with a joint notice that will be updated annually. The notice is applicable to the Little Rock (SWL) and Tulsa (SWT) Districts.

8 Dec 2023

MKARNS Nav Notice No. SWL 23-73 Caution Advisory Van Buren Railroad Bridge NM 300.8

Mariners are advised that crews will be making electrical and mechanical rehabilitation to the Van Buren Railroad Bridge (NM 300.8). Work will be performed daily from 6 a.m. to 6 p.m., beginning on 15 December.

3 Nov 2023

MKARNS Nav Notice No. SWL 23-69 UPDATE #3: White River Entrance Channel

Dredging operations downstream of the Montgomery Point Lock & Dam (NM 0.5) to the Mississippi River have been completed. Channel depths have been restored and normal locking procedures have commenced.

1 Nov 2023

MKARNS Nav Notice No. SWL 23-70 MPLD Unscheduled Closure

Montgomery Point Lock and Dam (NM 0.5) will be closed to traffic for 24 hours from 12:00 p.m. on November 1, 2023 to 12:00 p.m. on November 2, 2023. The closure will allow workers to make repairs to the downstream land wall miter gate cylinder.

31 Oct 2023

MKARNS Nav Notice No. SWL 23-69 UPDATE 2: White River Entrance Channel

All traffic on the locking queue at Montgomery Point Lock & Dam (NM 0.5) has been cleared and normal locking procedures have begun. However, dredging operations downstream of the Montgomery Point Lock & Dam (NM 0.5) are ongoing.

27 Oct 2023

U.S. Army Corps of Engineers celebrates 75th anniversary of John Martin Dam

John Martin Dam and Reservoir recently celebrated it's 75-year diamond anniversary.

25 Oct 2023

MKARNS Nav Notice No. SWL 23-68 UPDATE: White River Entrance Channel

Dredging operations are progressing downstream of Montgomery Point Lock & Dam (NM 0.5). The Dredge Sandpiper is currently dredging in the downstream approach to the lock with plans to continue in this area until the morning of Thursday, October 26, 2023.

24 Oct 2023

MKARNS Nav Notice No. SWL 23-67 Lock 3 Reopened

The hydraulic system at Joe Hardin Lock (No. 3) NM 50.2 has been repaired and is back in service. The Lock is reopened to navigation traffic.

24 Oct 2023

MKARNS Nav Notice No. SWL 23-66 Lock 3 Unscheduled Closure

The Joe Hardin Lock (No. 3) NM 50.2 is experiencing issues with the hydraulic system and is temporarily closed to traffic. Crews are onsite and will have the Lock reopened as soon as the problem can be resolved. A subsequent Navigation Notice will be issued once the Lock has been opened to traffic.