SCDOT to close Longtown Rd over Lake Columbia Dam in Richland County for repairs

Columbia, S.C. (April 28, 2026) - The South Carolina Department of Transportation will temporarily close Longtown Road (S-41-1051) in Richland County to repair parts of the Lake Columbia Dam.

Work will begin on May 4 and is expected to be completed by May 22, weather depending.

SCDOT asks that drivers slow down and pay attention to posted signs and crews when driving through the area.