
The U.S. Army Corps of Engineers, St. Paul District, is closing four of its locks and dams in early December for maintenance.
The closures will officially end the 2023 navigation season on the Mississippi River between Minneapolis at Guttenberg, Iowa.
Lock and Dam 2, in Hastings will be dewatered for concrete repairs and Lock and Dam 4, near Alma, will also receive some updates. Both will be closed from Dec. 4 - March 5, 2024.
Lock and Dam 3, near Welch and Lock and Dam 7, near La Crescent, will be closed closed Dec. 4 - March 15, 2024 for guidewall maintenance.
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