From DDOT: "The District Department of Transportation (DDOT) is advising drivers and pedestrians that the
Frederick Douglass Memorial Bridge (aka South Capitol Street Bridge) will be closed to traffic for up to 2 hours tomorrow morning, Thursday, April 8, 2010. At the request of the United States Coast Guard, DDOT will open the swing span of the bridge at 10 am, to allow for the safe passage of a vessel. It is anticipated the swing span will be closed again by 12 pm and the bridge will reopen to traffic.
"To avoid delays drivers should use an alternate river crossing, including the 11th Street, Sousa (Pennsylvania Avenue) and Whitney Young Memorial (East Capitol Street) bridges."