Get on a boat on the upper Mississippi River, and you'll eventually come upon a looming concrete structure stretching across the river's main channel. It's called a lock and dam, and it's a ...

The U.S. Army Corps of Engineers, St. Paul District, is hosting an open house at its Mississippi River Lock and Dam 6, in Trempealeau, Wisconsin, on ...

The lock-and-dam system through which 175 million tons of freight travels on the upper Mississippi River each year is sorely outdated, and vulnerable to failure that could have a profound effect ...

The locks and dams were installed nearly a century ago on the upper Mississippi River so that boats hauling freight up and down the river could have easier passage. Today, the upper river is ...

The Army Corps of Engineers is moving forward in 2025 with plans to enhance inland waterway transportation through three main ...

In a matter of weeks, boaters looking to travel on part of the Upper Mississippi River will be meeting roadblocks. The U.S. Army Corps of Engineers says three locks and dams will be closed for ...

The U.S. Army Corps of Engineers, St. Paul District, announced today that it is closing Lower St. Anthony Falls Lock and Dam ... system on the Upper Mississippi River for the movement of ...

In the St. Louis District, a major part of this critical mission is the operation of the last four locks and dams on the Mississippi River, which, in conjunction with 25 other such structures on ...

In another sign of winter, the last Mississippi River barge departed ... to winter maintenance along its upper Mississippi ...

A photograph from 1937 depicts the original construction of Lock and Dam 25, on the upper Mississippi River near Winfield, Missouri. The first of these structures — walls of concrete that can ...

Get on a boat on the upper Mississippi River, and you’ll eventually come upon a looming concrete structure stretching across the river’s main channel. It’s called a lock and dam, and it’s ...

How do they work, who controls them, and what changes have they made to the river ecosystem? Here's what you should know. Prior to the installment of the locks and dams, the upper Mississippi ...