for their approval, nor until they shall have approved such plans and specifications and the location of such bridge and accessory works[.] Id. Thus, in 1906, Congress gave the Secretary of War and Chief of Engineers statutory authority to assess and approve proposed bridge plans. The 1906 Bridge Act was the last congressional enactment concerning international bridges until 1972, long after Congress had approved the Ambassador Bridge in 1921. In 1946, Congress enacted the General Bridge Act of 1946, currently codified at 33 U.S.C. §§ 525-534. The General Bridge Act of 1946 removed Congress from the process of approving individual domestic bridges and authorized all such bridges subject only to approval by the War Department. See Sisselman v. Smith, 432 F.2d 750, 753 (3d Cir.1970) (<HOLDING>). However, international bridges remained
recognizing the delegation of authority to the united states attorneys holding that with respect to domestic bridges the general bridge authority act was clearly intended to end piecemeal congressional supervision of bridge construction by delegation of congressional authority to an expert administrative agency holding that a precondition to chevron deference is congressional delegation of administrative authority recognizing the medicare statutes broad delegation of authority holding grant of authority to an agency to adopt rules necessary to carry out this chapter clearly vested in the agency authority to interpret a statute