Lock and Dam 4 project nearing end after 20 years

By Max Robinette
mrobinette@yourmvi.com
Like the river it services, construction on the U.S. Army Corps of Engineers Monongahela River Lock and Dam 4 keeps rolling along.
The engineering project, which will widen the lock by 28 feet and modernize the facility’s machinery and controls, nears completion after nearly 20 years of planning and work.
“It’s a really exciting time for the project,” said U.S. Army Corps Pittsburgh District resident engineer Stephen Dine. “We’re getting close to the end.”
Project background
The U.S. Army Corps of Engineers Pittsburgh District maintains and upgrades locks and dams throughout western Pennsylvania. Currently, the engineering corps oversees 23 locks and dams along the Allegheny, Ohio and Monongahela rivers.
Within its broad scope of work, the Army Corps of Engineers manages waterway infrastructure, ensuring safe transportation and environmental stability throughout the nation.

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