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  • Russellville Marina docks temporarily closed as of July 8, 2026

    The U.S. Army Corps of Engineers Little Rock District is temporarily closing the docks at Russellville Marina, effective July 8, 2026, due to safety hazards and unmet terms of the facility's Commercial Concessions Lease Agreement. The repair shop, store and cabins, will remain open.

  • MKARNS Nav Notice 26-22 Intermittent Delays (Clinton Presidential Park Bridge NM 118.2)

    Mariners may experience intermittent delays at the Clinton Presidential Park Bridge (NM 118.2). These delays are necessary to facilitate the reconstruction of an upstream bridge pier protection cell. The contractor is expected to begin mobilizing equipment this week with construction beginning in roughly 10 days. The project is expected to take up to six months to complete.

  • MKARNS Nav Notice SWL 26-21 Lock Cutoff Times for Towing Configurations

    Mariners are advised that starting June 15th, 2026, and continuing until this Navigation Notice is rescinded, the following lockage cutoff times with corresponding tow configurations will be in place at Murray Lock (No. 7) NM 125.0, Toad Suck Lock (No. 8) NM 155.9, Arthur V. Ormond Lock (No. 9) NM 176.9, Dardanelle Lock (No. 10) NM 205.5, Ozark - Jeta Taylor Lock (No. 12) NM 256.8, and James W. Trimble Lock (No. 13) NM 292.8.

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

    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.

  • USACE issues small craft advisory for Arkansas River

    The U.S. Army Corps of Engineers is issuing a small craft advisory for the McClellan-Kerr Arkansas River Navigation System in Arkansas. Heavy rainfall in eastern Oklahoma and western Arkansas has resulted in Arkansas River flows exceeding 70,000 cubic feet per second.

  • USACE lifts small craft advisory for Arkansas River

    The U.S. Army Corps of Engineers is lifting the small craft advisory for the Arkansas River. Small craft advisories are issued when flows reach 70,000 cubic feet per second.

  • USACE issues small craft advisory for Arkansas River

    The U.S. Army Corps of Engineers is issuing a small craft advisory for the McClellan-Kerr Arkansas River Navigation System in Arkansas. Heavy rainfall in western Arkansas this week has resulted in Arkansas River flows exceeding 70,000 cubic feet per second below Dardanelle Lock and Dam.

  • USACE to temporarily close “A” area at Springhill Park

    The U.S. Army Corps of Engineers will temporarily close the “A” Area at Springhill Park including group shelters 1, 2 and 5, June 8 through Sept. 21 for paving and electrical upgrades.

  • MKARNS Nav Notice SWL 26-19 Lock 10 Intermittent Delays

    Mariners may expect to experience intermittent delays at Dardanelle Lock (No. 10) NM 205.5 on June 9th, 2026 – June 11th, 2026. Intermittent delays are required to perform a survey of the lock chamber.

  • MKARNS Nav Notice SWL 26-18 Lock 07 and 08 Intermittent Delays

    Mariners may experience intermittent delays at Murray Lock (No. 7) NM 125.4 and Toad Suck Lock (No. 8) NM 155.9 on May 4th, 2026 through June 15th, 2026, between the hours of 7:00 a.m. and 5:30 p.m. daily. The intermittent delays are required to facilitate dredging and dive inspections in preparation of the 110’ stoplog conversions