A bill to amend title 23 of the United States Code to establish a rural bridge replacement and reconstruction program for bridges on roads which are not on the Federal-aid system.

Establishes a federally funded bridge replacement and reconstruction program for bridges located on rural non-federal aid system public roads. Authorizes appropriations for such program through fiscal year 1979. Specifies the method by which the Secretary of Transportation shall apportion funds to the States for such program.