A series of locks and dams that were installed between 1930 and 1940 guide tows from one section of river to the next. They have an estimated $1 billion backlog of maintenance costs, according to ...

When the big ones are up, the Mississippi below the dam, and other dams on the river, can get crowded. "That’s when I go out and find my own spot, find something off the beaten path,” he said.

The locks at locks and dam 16, 18, 19, and 20 on the Mississippi River are closed for winter maintenance. They are expected to reopen on March 3, 2025.

The U.S. Army Corps of Engineers, St. Paul District, is closing three of its locks and dams for winter maintenance Dec. 9. The closures will officially end the 2024 navigation season on the Upper ...

Mike McKean, park ranger for the U.S. Army Corps of Engineers, works at the Mississippi River Visitor Center at the Rock Island Arsenal and helps to count the birds of prey once a week.

The U.S. Army Corps of Engineers says three locks and dams will be closing for winter maintenance starting on Monday, Dec. 9. Those locks and dams are located near Hastings, La Crescent and Lynxville.

ST. LOUIS -- The Mississippi River's 70-year-old system of locks and dams urgently needs upgrades to accommodate barges that have gotten bigger over time, a group of federal lawmakers is warning ...

Before the locks, many parts of the river were only 2 feet deep. Barges are loaded to a 9-foot draft in the Winona area, a level maintained by the locks and dams and the pools they create.

More than 50 percent of the Upper Mississippi River's natural flood plain is now behind levees. Between St. Louis and Cairo, 83 percent of flood plains is behind levees. The locks and dams above ...

To do this, the district maintains a 9-foot navigation channel and 13 locks and dams from Minneapolis to Guttenberg, Iowa. Keeping this system open is vital to the nation’s economy.

Upper Mississippi River freezes over less than ever, another sign life is changing Research suggests that by 2100, the Mississippi River may only freeze near the Twin Cities, altering a way of ...