The Coast Guard is establishing a temporary security zone for navigable waters of the Cooper River, in the vicinity of the Arthur Ravenel Jr. Bridge, in Mount Pleasant, SC. This security zone is necessary to provide for the security and protection of life of participants and spectators during the Cooper River Bridge Run event. Entry of vessels or persons into this zone is prohibited unless specifically authorized by the Captain of the Port Charleston or a designated representative.
Source: Federal Register USCG
Link: Security Zone; Cooper River, Charleston, SC