PUBLIC LAW 99-662—NOV. 17, 1986
100 STAT. 4171
(2) except as provided in subsection (a), subject to the terms and conditions generally applicable to activities conducted under the Rio Grande bank protection project. SEC. 821. ANACOSTIA RIVER, DISTRICT OF COLUMBIA AND MARYLAND.
The project for the Anacostia River and tributaries, District of Columbia and Maryland, approved under authority of section 205 of the Flood Control Act of 1948, is modified to authorize the Secretary 33 USC 70ls. to carry out planning, engineering, and design to prevent damage to the project caused by the one hundred-year flood, including, but not limited to, replacing riprap, removing sediment deposits, shaping and sodding slopes, and seeding, at a total cost of $250,000. SEC. 822. YAZOO RIVER, MISSISSIPPL
The navigation project for Yazoo River, Mississippi, authorized by Bridges. the River and Harbor Act of 1968, is modified to provide that the 82 Stat. 731. Federal share of the cost of the alteration of the Shepardstown Bridge (mile 147.8) shall be 50 percent, at a total cost of $3,800,000, with an estimated first Federal cost of $1,900,000 and an estimated first non-Federal cost of $1,900,000. SEC. 823. CORTE MADERA CREEK, MARIN COUNTY, CALIFORNIA.
The project for flood control on Corte Madera Creek, Marin Flood control. County, California, authorized by section 201 of the Flood Control Act of 1962 is modified to authorize and direct the Secretary to 76 Stat. 1180. construct the project for unit 4, from the vicinity of Lagunitas Road Bridge to Sir Francis Drake Boulevard, substantially in accordance with the plan, dated February 1977, on file in the office of the San Francisco district engineer. The plan is further modified to authorize and direct the Secretary to construct such flood-proofing measures as may be necessary to individual properties and other necessary structural measures in the vicinity of Lagunitas Road <' Bridge to insure the proper functioning of the completed portions of the authorized project. The project is further modified to eliminate any channel modifications upstream of Sir Francis Drake Boulevard. SEC. 824. TECHE-VERMILION BASINS, LOUISIANA.
The project for improvement of the Mississippi River below Cape Bridges. Girardeau with respect to the Teche-Vermilion Basins, Louisiana, authorized in the Flood Control Act of 1966, is modified to require 33 USC 70lc the Secretary to relocate the Highway 71 bridge required to be note. relocated by this project or, at his discretion, to reimburse local interests for the Federal share of the cost of such relocation carried out by them, at a total cost of $1,200,000, with an estimated first Federal cost of $600,000 and an estimated first non-Federal cost of $600,000. The non-Federal share of the cost of the work authorized by this section shall be 50 percent. SEC. 825. LEWISVILLE LAKE, TEXAS.
Subject to section 903(a) of this Act, the project for Lewisville Lake, Texas, authorized by the River and Harbor Act approved March 2, 1945, is modified to authorize and direct the Secretary to 33 USC 603a. take such actions as may be necessary to insure that approximately four thousand feet, including bridges and approaches, of the road crossing Cottonwood Branch of Lewisville Lake, Texas, formerly designated State Highway 24T, will be above elevation five hundred and thirty-two feet above mean sea level, at a total cost of