Dashields Locks and Dam, Navigation lock system on Ohio River, Allegheny County, United States.

Dashields Locks and Dam is a fixed-crest dam on the Ohio River less than 15 miles downstream of Pittsburgh. It has two locks: a commercial lock 600 feet long and 110 feet wide, and a recreational auxiliary lock 360 feet long and 56 feet wide.

Dashields Lock and Dam is a fixed-crest dam on the Ohio River less than 15 miles downstream of Pittsburgh. It is operated by the U.S. Army Corps of Engineers, whose Pittsburgh District manages it along with the Huntington and Louisville districts. The facility has two locks: a 600-by-110-foot commercial lock and a 360-by-56-foot recreational auxiliary lock.

The locks system enables both commercial shipping operations and recreational boats to navigate through different water levels of the Ohio River.

Dashields is a working navigation facility, not a visitor site: the sources record no viewing areas, tours or visitor centre. The two locks sit on the Ohio River less than 15 miles (24 km) downstream of Pittsburgh, in Allegheny County, Pennsylvania. Commercial traffic uses the 600-by-110-foot lock; the 360-by-56-foot auxiliary lock handles recreational craft.

Dashields has two locks: a 600-by-110-foot commercial chamber for barge traffic and a 360-by-56-foot recreational auxiliary lock. The main lock averages about 450 commercial lockages a month, while the auxiliary lock handles 200 to 300 recreational passages monthly.