5 Dec 2023

Headwaters Highlights: Elizabeth Locks and Dam crews keep navigation afloat through one of the oldest locks in the Nation

The quiet waters of the Monongahela River may experience some explosive rumblings next summer. One of the oldest navigation dams in the nation is planned to go out with a blast in Elizabeth, Pennsylvania, after more than a century of service to the region.

21 Oct 2021

Locking temporarily suspended at Markland Locks and Dam

At approximately 3:00 p.m. today, October 21, 2021, navigation traffic was halted to facilitate a hydraulic cylinder repair on the main (1,200 foot) lock chamber at Markland Locks and Dam (Ohio River Mile 531.5). The closure will last until approximately 12:00 p.m. (EDT) on Saturday, October 23, 2021. Upon completion of the hydraulic cylinder repairs, traffic will resume in the main chamber.

8 May 2020

Corps advises mariners of maintenance at Maxwell Locks and Dam

The U.S. Army Corps of Engineers, Pittsburgh District is advising mariners that scheduled maintenance is ongoing at Maxwell Locks and Dam on the Monongahela River.

14 Oct 2014

New partnership brings success at Dashields

The U.S. Army Corps of Engineers Pittsburgh District teamed with the Inland Navigation Design Center

25 Jul 2014

Concrete does not last forever

Standing in the backdrop of the aging locks and dam at Elizabeth, Pa., the U.S. Army Corps of Engineers Pittsburgh District gathered with 50 guests representing navigation industry, congressional, and partnering agencies gathered to tour and talk about importance of sustaining the nation’s inland waterways.