TOLL ROADS.

SEC. 313. TOLL ROADS. * * * * * * * (d) Treatment of Centennial Bridge, Rock Island, Illinois, Agreement.—For purposes of section 129(a)(6) of title 23, United States Code, the agreement concerning the Centennial Bridge, Rock Island, Illinois, entered into under the Act entitled “An Act authorizing the city of Rock Island, Illinois, or its assigns, to construct, maintain, and operate a toll bridge across the Mississippi River at or near Rock Island, Illinois, and to a place at or near the city of Davenport, Iowa”, approved March 18, 1938 (52 Stat. 110), shall be treated as if the agreement had been entered into under section 129 of title 23, United States Code, as in effect on December 17, 1991, and may be modified in accordance with section 129(a)(6) of such title. (e) Collection of Tolls To Finance Certain Environmental Projects in Florida.—Notwithstanding section 129(a) of title 23, United States Code, on request of the Governor of the State of Florida, the Secretary shall modify the agreement entered into with the transportation department of the State under section 129(a)(3) of such title to permit the collection of tolls to liquidate such indebtedness as may be incurred to finance any cost associated with a feature of an environmental project that is carried out under State law and approved by the Secretary of the Interior. * * * * * * *