articulated concrete mattress News - The Waterways Journal

Memphis District Revetment Project Enhances Navigation Safety

Dredging & Marine Construction

Memphis District Revetment Project Enhances Navigation Safety

July 25, 2025

A contractor has finished placing 32,400 tons of rock to complete two stone revetments for the Memphis Engineer District. Midwest Construction Company of Nebraska was the contractor, and… Read More

ARMOR 1 Construction Continues At Thoma-Sea A pair of welders at Thoma-Sea’s shipyard in Lockport, La., work in the hull of ARMOR 1, the U.S. Army Corps of Engineers’ forthcoming replacement to the venerable Mat Sinking Unit, commissioned in 1948. (Photo by Frank McCormack)

A pair of welders at Thoma-Sea’s shipyard in Lockport, La., work in the hull of ARMOR 1, the U.S. Army Corps of Engineers’ forthcoming replacement to the venerable Mat Sinking Unit, commissioned in 1948. (Photo by Frank McCormack)

ARMOR 1 Construction Continues At Thoma-Sea

April 28, 2023

The Vicksburg Engineer District’s Mat Sinking Unit (MSU), rarely ever even seen by the public but nonetheless hard at work each low-water season, is an indispensable part of… Read More

With Mississippi River On the Rise, MSU Ends Revetment Season Early

January 24, 2020

With the Carrollton Gage of the Mississippi River in New Orleans already above 14 feet, the Vicksburg Engineer District has announced that the district’s Mat Sinking Unit (MSU)… Read More

Mat Sinking Unit Completes Revetment Season

January 21, 2019

The Vicksburg Engineer District reports that the Corps’ Mat Sinking Unit (MSU) completed its 2018 season January 11, 2019. During the season, the MSU placed approximately 200,000 squares… Read More