of such section, and (3) subject to the limitation in section 130(k) of such title: Provided further , That the funds made available under this heading for a bridge replacement and rehabilitation program shall be used for highway bridge replacement or rehabilitation projects on public roads: Provided further , That except as provided in the following proviso the funds made available under this heading for a bridge replacement and rehabilitation program shall be used in areas of a State that have a population of 200,000 or fewer individuals: Provided further , That if a State has no bridges located in areas with a population of 200,000 or fewer individuals, or if a State has no bridge replacement or rehabilitation needs in areas of the State with a population of 200,000 or fewer individuals, the funds made available under this heading for a bridge replacement and rehabilitation program may be used for highway bridge replacement or rehabilitation projects on public roads in any area of the State: Provided further , That the Secretary shall distribute funds made available under this heading for the bridge replacement and rehabilitation program to each State by the proportion that the percentage of total deck area of bridges classified as in poor condition in each State bears to the sum of the percentages of total deck area of bridges classified as in poor condition in all States: Provided further , That for purposes of this heading for the bridge replacement and rehabilitation program, the Secretary shall (1) calculate population based on the latest available data from the decennial census conducted under section 141(a) of title 13, United States Code, and (2) calculate the percentages of total deck area of bridges classified as in poor condition based on the National Bridge Inventory as of December 31, 2017. Administrative provisions—federal highway administration 120. (a) For fiscal year 2019, the Secretary of Transportation shall— (1) not distribute from the obligation limitation for Federal-aid highways— (A)