Belleville Lock and Dam
The 928th tallest dam in the world
Belleville Lock and Dam is the 8th Lock and dam on the Ohio River, located 204 miles downstream of Pittsburgh. There are two locks, one for commercial barge traffic that's 1,200 feet long by 110 feet wide, and the auxiliary lock is 600 feet long by 110 feet wide.
List of locks and dams of the Ohio River List of locks and dams of the Upper Mississippi River
U.S. Army Corps of Engineers, Pittsburgh District U.S. Army Corps of Engineers, Huntington District U.S. Army Corps of Engineers, Louisville District
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).