MKARNS Nav Notice SWL 26-20 Caution Advisory NM 291.6 I-49 Bridge

Little Rock District USACE
Published June 9, 2026
Navigation Notice

Navigation Notice

CAUTION ADVISORY
INTERSTATE-49 BRIDGE NM 291.6
MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM

Mariners are advised that starting June 15th, 2026, bridge construction activities 
will continue at NM 291.6, downstream of James W. Trimble Lock and Dam (No. 
13). This work will be on the bridge pier adjacent to the navigation channel on the 
left descending side.


Although the obstructions are located outside of the navigation channel, mariners 
should exercise caution when transiting the area and remain aware of potential 
changes to navigation due to construction activities. Updates and further notices 
will be issued as needed.

Questions or requests for additional information concerning this notice should be 
directed to the Little Rock District Office at (501) 324-5739 or you may email 
CESWL-OP-OM@usace.army.mil.

Chief, Operations Division


Contact
Public Affairs
501-324-5551
ceswl-pa@usace.army.mil

Release no. 26-069