33 U.S.C. § 535f

This subchapter shall apply to all international bridges constructed under the authority of this subchapter. Section 535a of this title and section 129(a)(3) of title 23 , shall apply to all international bridges the construction of which has been heretofore approved by Congress, notwithstanding any conflicting provision in any Act authorizing the construction of such a bridge or in any agreement entered into by the Federal Government and a State.