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  • Severe storms impact repair timeline at Wilson Lock

    The Wilson Lock gate repair project has experienced a schedule shift due to a combination of weather delays, technical challenges, and the sequencing of critical path tasks. These factors have resulted in a delay of three weeks, extending the project's completion date from mid-June to early July 2025.

  • Chickamauga Lock approach wall receives second nose pier delivery

    Progress continues on the Chickamauga Lock Replacement Project as the U.S. Army Corps of Engineers Nashville District successfully delivered a second massive nose pier, a key structure that guides vessels into the new lock chamber. The milestone keeps the project on track for contract completion in 2026 and full operation by 2028, with the new lock expected to boost capacity by 80% and improve commercial navigation efficiency on the Tennessee River.

  • Miter gate installation begins at Chickamauga Lock

    CHATTANOOGA, Tenn. (April 18, 2025) – The U.S. Army Corps of Engineers Nashville District, in partnership with Shimmick Construction and Tennessee Valley Authority, recently began erecting massive miter gates for the Chickamauga Lock Replacement Project. This milestone brings the project closer to its goal of enabling both recreational vessels and commercial barges to pass through the new lock chamber, a critical step in modernizing regional infrastructure.

  • Corps to host public informational meeting in Prairie du Chien, Wis., May 13

    The U.S. Army Corps of Engineers, St. Paul District, will host an informational meeting to introduce the public to its ongoing work in the areas of Pools 8 through 10 of the Upper Mississippi Area, May 13, from 4-5:30 p.m. A presentation will begin at 4:30 p.m.

  • Corps of Engineers opens Minneapolis locks for navigation season

    The U.S. Army Corps of Engineers, St. Paul District, is opening its Lower St. Anthony Falls Lock and Dam and Lock and Dam 1, both in Minneapolis, to commercial and recreational vessels for the navigation season on Sunday, April 20.

  • Missouri River upper basin runoff continues below average forecast

    The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. March runoff in the Missouri River Basin above Sioux City was 2.3 million acre-feet, 76% of average.

  • Lockport Lock Reopens After Temporary Repairs: Permanent Fix Scheduled for Fall

    Lockport Lock reopened Friday, April 4th, after undergoing a temporary closure for construction and repairs. The lock had been closed since January 28th for maintenance repairs and upper gate lift replacement. It was expected to reopen at the end of March, but severe cracking was found on the lower miter gates. Temporary repairs were made while parts are being manufactured for the permanent replacement.

  • Ohio River flooding disrupts locking operations at Markland and McAlpine

    Locking operations at Markland Locks and Dam (Ohio River Mile 531.5) have been suspended due to high water. At McAlpine Locks and Dam (Ohio River Mile 606.8), the south (landside) chamber has ceased operations, and the north chamber is expected to close by the evening of Sunday, April 6, 2025. Additional impacts are expected downstream as river levels rise. A full summary of projected impacts at the district’s seven locks and dams on the Ohio River are listed below.

  • Army Corps and contractor begin construction of new dredge

    The U.S. Army Corps of Engineers joined contractors Eastern Shipbuilding Group and Royal IHC on April 4, 2025, in Panama City, FL for a steel cutting ceremony, kicking off construction of a Medium Class Hopper Dredge (MCHD) to replace the Dredge McFARLAND of the Army Corps’ Philadelphia District. The event was attended by USACE Headquarters, North Atlantic Division, Marine Design Center, and Philadelphia District leadership as well as Royal IHC and Eastern Shipbuilding Group leadership.

  • MKARNS Nav Notice No. SWL 25-23 Caution Advisory - HWY 64 Bridge NM 300.4 Update

    The hydrodemolition project over the navigation channel of the HWY 64 Bridge, as noted in Navigation Notice SWL 25-22, has been postponed due to weather. The project is now scheduled to occur from 7 a.m. to 7 p.m. on April 5, 2025.