Dashields Locks and Dam
The 928th tallest dam in the world
Dashields Lock and Dam is a fixed-crest dam on the Ohio River. It is located less than 15 miles down stream of Pittsburgh. There are two locks, one for commercial barge traffic that is 600 feet long by 110 feet wide, and a recreational auxiliary lock that is 360 feet long by 56 feet wide. Dashields locks averages about 450 commercial lock throughs every month and 200-300 lock throughs a month on the recreational auxiliary lock.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).