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Locks and Dams

First Concrete Pour Completed At Demopolis Lock The first concrete is poured for the Demopolis Lock repair project. (Photo courtesy of Anthony Perkins)

First Concrete Pour Completed At Demopolis Lock

April 12, 2024

The concrete trucks began arriving at Demopolis Lock on the Tombigbee River in rural Alabama around 4 a.m. April 11 for the first of seven concrete pours to repair and… Read More

Daytime Closures At Bayou Sorrel Lock To Last Through The Fall

April 2, 2024

Vessels transiting the Morgan City-Port Allen alternative route on the Gulf Intracoastal Waterway in Louisiana will be dealing with weekday daytime closures at Bayou Sorrel Lock through the fall due… Read More

Debris Removal Completed At Demopolis Lock On a deck barge in the lock chamber, crews assemble forms that will eventually be lifted into the chamber to hold newly-poured concrete in place. (Photo courtesy of Mobile Engineer District)

Debris Removal Completed At Demopolis Lock

March 29, 2024

The effort to repair Demopolis Lock on the Tombigbee River in Alabama has entered a new phase, now that debris removal is complete. The Mobile Engineer District marked the conclusion… Read More

Upper Miss Lock And Dam 2 Dewatered For Maintenance

March 5, 2024

As part of its ongoing work to inspect and repair severallocks on the Upper Mississippi River, the St. Paul Engineer District dewatered Lock and Dam 2 at Hastings, Minn., on… Read More

Demolition Complete At Ohio Locks And Dam 53 From left, former diver supervisor Randy Robertson and dive tenders Phillip Noel and Jake Winburn work with diver Kenny Robertson to remove a worn-out white oak wicket from the dam at Lock and Dam 53 on the Ohio River, June 26, 2012. (Photo courtesy of Louisville Engineer District)

Demolition Complete At Ohio Locks And Dam 53

March 1, 2024

The Louisville Engineer District has announced the official closure of the Ohio River Locks and Dam 53 project. “Locks and Dams 52 and 53 were the last remaining structures from… Read More

Charleroi Riverside Chamber Nears Completion On Lower Mon A downstream view of the newly constructed lock chamber at the Monongahela River Locks and Dam 4 in Charleroi, Pa., taken on February 14. The U.S. Army Corps of Engineers is currently conducting fully integrated system tests on the new navigation chamber, which measures 84 feet wide by 720 feet long. The Pittsburgh District continues to adjust the system’s programming to prepare the lock to open for navigation later this year. The facility is part of the Lower Monongahela River Project, which includes locks and dams at Charleroi, Elizabeth and Braddock, Pa. The three locks experience the highest volume of commercial traffic on the entire Monongahela River navigation system. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)

Charleroi Riverside Chamber Nears Completion On Lower Mon

February 23, 2024

Operational testing is taking place on the new, expanded riverside lock chamber at Lock 4 on the Monongahela River in Charleroi, Pa., with the chamber expected to be complete this… Read More

Bearing Failure Causes Unplanned Closure At Cochran Lock

February 23, 2024

With the extended closure at Demopolis Lock on the Tombigbee River in Alabama ongoing, the Mobile Engineer District has announced a second, albeit much shorter, unplanned lock closure within its… Read More

Corps Awards Demopolis Repair Contract Mobile District fleet personnel continue to remove debris from the chamber at Demopolis Lock on the Tombigbee River. (U.S. Army Corps of Engineers/Chad Brumelow)

Corps Awards Demopolis Repair Contract

February 16, 2024

The Mobile Engineer District is marching ahead with repair work at Demopolis Lock on the Tombigbee River, near Demopolis, Ala., where a portion of the upper miter sill failed January… Read More

Corps Assets Arrive At Demopolis, Repair Plan Takes Shape Corps of Engineers crews had to remove and reset stoplogs at Demopolis Lock last week to position vessels for the repair project, which is expected to last until May. (Photo by Frank McCormack)

Corps Assets Arrive At Demopolis, Repair Plan Takes Shape

February 9, 2024

Almost a month has passed since a large portion of the upper miter sill at Demopolis Lock broke off and fell into the chamber on January 16, and the plan… Read More

Four Locks On Columbia And Snake Rivers Closed For Scheduled Maintenance

February 5, 2024

The Walla Walla (Wash.) Engineer District closed navigation locks on the Columbia and Snake rivers beginning January 14 for a scheduled 11-week outage. The extended closure will allow the district… Read More

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