lock construction News - The Waterways Journal

Beam Placement Marks Chickamauga Lock Milestone A 420-ton concrete beam is hoisted into position over the Tennessee River June 16 during construction of the upstream approach wall for the Chickamauga Lock Replacement Project in Chattanooga, Tenn. The successful placement of these massive beams, guided by contractors on the pier below, marks a significant milestone in the project. (Photo by Noe Gonzalez/Nashville Engineer District)

A 420-ton concrete beam is hoisted into position over the Tennessee River June 16 during construction of the upstream approach wall for the Chickamauga Lock Replacement Project in Chattanooga, Tenn. The successful placement of these massive beams, guided by contractors on the pier below, marks a significant milestone in the project. (Photo by Noe Gonzalez/Nashville Engineer District)

Beam Placement Marks Chickamauga Lock Milestone

July 17, 2026

Construction crews successfully placed the first of several massive concrete beams recently for the new upstream approach wall. The team maneuvered the 420-ton beams into their final… Read More

Corps To Provide Updated Kentucky Lock Timeline, Costs The Corps of Engineers expects an updated estimate in mid-May that will show how much costs have gone up for the Kentucky Lock Addition Project and how long it is now expected to take to complete. (Photo courtesy of the Nashville Engineer District)

The Corps of Engineers expects an updated estimate in mid-May that will show how much costs have gone up for the Kentucky Lock Addition Project and how long it is now expected to take to complete. (Photo courtesy of the Nashville Engineer District)

Corps To Provide Updated Kentucky Lock Timeline, Costs

May 6, 2022

The Corps of Engineers expects to have a new estimate within the next week or two on both a projected timeline for completion and cost estimate for the Kentucky… Read More

Kentucky Lock Cofferdam Nears Completion A Johnson Brothers work crew builds a cofferdam cell at the Kentucky Lock Addition Project.(Photo by Lee Roberts/Nashville Engineer District)

A Johnson Brothers work crew builds a cofferdam cell at the Kentucky Lock Addition Project.(Photo by Lee Roberts/Nashville Engineer District)

Kentucky Lock Cofferdam Nears Completion

December 31, 2020

Work continues on the addition of a second chamber at Kentucky Lock, with completion of the downstream cofferdam contract sometime in February projected to temporarily ease navigation delays… Read More

Final Shell Set For Kentucky Lock Addition Project The Nashville Engineer District and its contractor partner Johnson Brothers put a 1.7-million-pound concrete shell into position February 2 on the riverbed on the downstream end of Kentucky Lock. The last of 10 shells, it will be part of a cofferdam and eventually a permanent part of the new lock wall for the Kentucky Lock Addition Project. (Corps of Engineers photos by Mark Rankin)

The Nashville Engineer District and its contractor partner Johnson Brothers put a 1.7-million-pound concrete shell into position February 2 on the riverbed on the downstream end of Kentucky Lock. The last of 10 shells, it will be part of a cofferdam and eventually a permanent part of the new lock wall for the Kentucky Lock Addition Project. (Corps of Engineers photos by Mark Rankin)

Final Shell Set For Kentucky Lock Addition Project

February 7, 2020

By Lee Roberts Nashville Engineer District Public Affairs A contractor for the U.S. Army Corps of Engineers has placed the 10th and final concrete shell for the… Read More

Permanent Change Sought For IWTF Cost Share

June 14, 2019

Over the past five years, the nation has seen a major advancement of major inland waterway infrastructure projects underway, namely lock construction projects at Olmsted, Lower Monongahela (Lower Mon),… Read More

Kentucky Lock’s First Lift-In Shell Placed

August 10, 2018

The Nashville Engineer District set its first 1.3-million-pound concrete shell August 6. The lift-in shell forms a part of the downstream cofferdam for the new Tennessee River lock… Read More