or other environmentally acceptable, minimally corrosive anti-icing and de­icing compositions to, or install scour countermeasures to, highway bridges located on public roads, other than those on a Federal-aid highway. (B) Reduction of expenditures The Secretary, after consultation with State and local officials, may reduce the requirement for expenditure for bridges not on a Federal-aid highway under subparagraph (A) with respect to the State if the Secretary determines that the State has inadequate needs to justify the expenditure. (7) Inventories and reports The Secretary shall— (A) biennially report to the Committee on Environment and Public Works of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives on projects approved under this section