CJ Mahan News - The Waterways Journal

Arrival Of Giant Beams Marks 'Huge Step Forward' For Chickamauga Massive Wall Beams make their move to Chickamauga Lock

Arrival Of Giant Beams Marks ‘Huge Step Forward’ For Chickamauga

September 5, 2025

After more than a decade in storage, 12 massive beams for the Chickamauga Lock Replacement Project are being barged to the site. The Nashville Engineer District began moving the first… Read More

Chickamauga Lock Project Hits Major Milestones 250428_Chickamauga aerial photo

Chickamauga Lock Project Hits Major Milestones

April 25, 2025

Construction of a new, 600- by 110-foot lock at Chickamauga Lock and Dam on the Tennessee River has reached two major milestones, with crews beginning to erect the new lock’s… 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)

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… Read More

C.J. Mahan Construction Reflects On Olmsted Project C.J. Mahan Construction Company completed several projects at Olmsted from 2014 to 2016. Some of the projects included the replacement of hydraulic cylinders on eight miter gates and culvert valves in the lock chambers and the installation of an automated control system for locking operations.

C.J. Mahan Construction Company completed several projects at Olmsted from 2014 to 2016. Some of the projects included the replacement of hydraulic cylinders on eight miter gates and culvert valves in the lock chambers and the installation of an automated control system for locking operations.

C.J. Mahan Construction Reflects On Olmsted Project

August 31, 2018

In 2014, C.J. Mahan Construction Company out of Columbus, Ohio, was contracted by the Corps to do several projects at Olmsted Locks and Dam. The project consisted of replacing hydraulic… Read More