1. Short title This Act may be cited as the Strengthen And Fortify Existing Bridges Act of 2017 or the SAFE Bridges Act of 2017 . 2. Strengthen and fortify existing bridges (a) Definitions In this section: (1) Bridge The term bridge means a bridge on a public road, without regard to whether the bridge is on a Federal-aid highway. (2) Eligible bridge The term eligible bridge means a bridge that is structurally deficient. (3) Federal-aid highway The term Federal-aid highway has the meaning given the term in section 101(a) of title 23, United States Code. (4) Public road The term public road has the meaning given the term in section 101(a) of title 23, United States Code. (5) Rehabilitation The term rehabilitation means, with respect to a bridge, the carrying out of major work necessary, as determined by the Secretary— (A) to restore the structural integrity of the bridge; or (B) to correct a major safety defect of the bridge. (6) Replacement The term replacement means, with respect to a bridge, the construction of a new facility that, as determined by the Secretary, is in the same general traffic corridor as the replaced bridge. (7) Secretary The term Secretary means the Secretary of Transportation. (8) State The term State means— (A) a State; (B) the District of Columbia; and (C) the Commonwealth of Puerto Rico. (9) Structurally deficient The term structurally deficient , with respect to a bridge, means a bridge that, as determined by the Secretary— (A) has significant load-carrying elements that are in poor or worse condition due to deterioration, damage, or both; (B) has a load capacity that is significantly below truckloads using the bridge and that requires replacement