MKARNS: Lock 3 Closure

Notice Number: SWL 23-28
Date: 8/7/2023 thru 8/11/2023

Joe Hardin Lock (No. 3) NM 50.2 will be closed to traffic beginning at 7 a.m. on August 7, 2023 until 7 p.m. on August 11, 2023. This is to allow workers to upgrade the lock interlock system which is an integral safety function of the Lock.

Questions or requests for additional information concerning this notice should be directed to the Little Rock District Office at (501) 324-5096 or you may email


Christopher B. Roark
Chief, Operations Division