; and (B) submit to the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Environment and Public Works of the Senate a report that describes— (i) the adequacy and fairness of the process under which each eligible project that received a grant under the program was selected; and (ii) the justification and criteria used for the selection of each eligible project. (o) Limitation (1) Large projects Of the amounts made available out of the Highway Trust Fund (other than the Mass Transit Account) to carry out this section for each of fiscal years 2021 through 2025, not less than 50 percent, in aggregate, shall be used for large projects. (2) Unutilized amounts If, in fiscal year 2025, the Secretary determines that grants under the program will not allow for the requirement under paragraph (1) to be met, the Secretary shall use the unutilized amounts to make other grants under the program during that fiscal year. (p) Tribal transportation facility bridge set aside (1) In general Of the amounts made available from the Highway Trust Fund (other than the Mass Transit Account) for a fiscal year to carry out this section, the Secretary shall use, to carry out section 202(d)— (A) $16,000,000 for fiscal year 2021; (B) $18,000,000 for fiscal year 2022; (C) $20,000,000 for fiscal year 2023; (D) $22,000,000 for fiscal year 2024; and (E) $24,000,000 for fiscal year 2025. (2) Treatment For purposes of section 201, funds made available for section 202(d) under paragraph (1) shall be considered to be part of the tribal transportation program. . (b) Clerical amendment The analysis for chapter 1 of title 23, United States Code, is amended by inserting after the item relating to section 123 the following: 124. Bridge investment program .