N.C. Gen. Stat. § 136-88
Subject to the provisions of G.S. 136-67, 136-99, and 153-198, the boards of commissioners of the several counties are vested, in regard to the establishment, operation, maintenance, and supervision of ferries and toll bridges on public roads not under the supervision and control of the Department of Transportation, with all the power and authority regarding ferries and toll bridges vested by law in county commissioners on the thirty-first day of March, 1931. And the owners or operators of ferries or toll bridges not under the supervision and control of the Department of Transportation shall be entitled to the same rights, powers, and privileges, and subject to the same duties, responsibilities and liabilities, to which owners or operators of ferries or toll bridges were entitled or were subject on the thirty-first day of March, 1931.
N.C. Gen. Stat. § 136-88