1. Short title This Act may be cited as the National Bridge Replacement and Improvement Act . 2. National bridge replacement and improvement program (a) Establishment Not later than 180 days after the date of enactment of this Act, the Secretary of Transportation shall establish a national bridge replacement and improvement program (in this section referred to as the Program ) to assist safety improvements for high-risk intersections and interchanges. (b) Grant authority In carrying out the Program, the Secretary may make grants on a competitive basis to covered entities. (c) Project requirements The Secretary may only make a grant under the Program to assist a project that— (1) is a bridge on a Federal-aid highway that is eligible for funding under title 23, United States Code; and (2) will— (A) restore or increase the structural capacity of the bridge; (B) correct a major safety defect of the bridge; or (C) replace an existing bridge with a new bridge that— (i) is in the same general traffic corridor as the bridge being replaced, as determined by the Secretary