112 STAT. 838 PUBLIC LAW 105-206-^JULY 22, 1998 District of Columbia. "(iii) relocation of a bridge to a preservation site. "(3) AUTHENTICITY.— A grant under paragraph (1) may be made for a project only if— "(A) to the maximum extent practicable, the project— "(i) is carried out in the most historically appropriate manner; and "(ii) preserves the existing structure of the historic covered bridge; and "(B) the project provides for the replacement of wooden components with wooden components, unless the use of wood is impracticable for safety reasons. "(4) FEDERAL SHARE. —The Federal share of the cost of a project carried out with a grant under this subsection shall be 80 percent. "(d) FUNDING. —There is authorized to be appropriated to carry out this section $10,000,000 for each of fiscal years 1999 through 2003. Such funds shall remain available until expended. "SEC. 1225. SUBSTITUTE PROJECT. "(a) APPROVAL OF PROJECT. —Notwithstanding any other provision of law, upon the request of the Mayor of the District of Columbia, the Secretary may approve substitute highway and transit projects under section 103(e)(4) of title 23, United States Code (as in effect on the day before the date of enactment of this Act), in lieu of construction of the Barney Circle Freeway project in the District of Columbia, as identified in the 1991 Interstate Cost Estimate. " (b) ELIGIBILITY FOR FEDERAL ASSISTANCE.—Upon approval of any substitute project or projects under subsection (a)— "(1) the cost of construction of the Barney Circle Freeway Modification project shall not be eligible for funds authorized under section 108(b) of the Federal-Aid Highway Act of 1956; and "(2) substitute projects approved pursuant to this section shall be funded from interstate construction funds apportioned or allocated to the District of Columbia that are not expended and not subject to lapse on the date of enactment of this Act. "(c) FEDERAL SHARE. —The Federal share payable on account of a project or activity approved under this section shall be 85 percent of the cost thereof; except that the exception set forth in section 120(b)(2) of title 23, United States Code, shall apply. "(d) LIMITATION ON ELIGIBILITY. — Any substitute project approved pursuant to subsection (a) (for which the Secretary finds that sufficient Federal funds are available) must be under contract for construction, or construction must have commenced, before the last day of the 4-year period beginning on the date of enactment of this Act. If the substitute project is not under contract for construction, or construction has not commenced, by such last day, the Secretary shall withdraw approval of the substitute project. "SEC. 1226. FISCAL, ADMINISTRATIVE, AND OTHER AMENDMENTS. "(a) ADVANCED CONSTRUCTION.— Section 115 of title 23, United States Code, is amended— "(1) in subsection (b)— "(A) by moving the text of paragraph (1) (including subparagraphs (A) and (B)) 2 ems to the left;
�
