Historical Marker

Gary J. Hebert Memorial Lockhouse

Plaquemine, Iberville County · Louisiana
Erected 1995

The lockhouse earned its keep as the pump house. The Plaquemine Lock ran on gravity flow until hydraulic pumps went in during the late 1940s, and the pump house held that machinery. After the lock closed in 1961 the site sat abandoned until a campaign led by Gary Hebert, an Iberville Parish newspaper publisher, saved it. The National Register listed it in 1972. Inside, a museum covers early river traffic, and a working scale model shows how the chamber filled and emptied beside the old 51-foot lift, once the highest freshwater lift of any lock in the world.

Where it stands

30.29257, -91.23440 · Directions

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