33 U.S.C. § 59kk

For purposes of bridge administration, the portion of the Wateree River in the State of South Carolina, from a point 100 feet upstream of the railroad bridge located at approximately mile marker 10.0 to a point 100 feet downstream of such bridge, is declared to not be navigable waters of the United States for purposes of the General Bridge Act of 1946 (33 U.S.C. 525 et seq.).