The Vantage Bridge is a bridge in the U.S. state of Washington . It carries Interstate 90 across the Columbia River , near Vantage and George, Washington . This section of the river is named Wanapum Lake ; it is the reservoir formed by Wanapum Dam . The bridge separates the Ginkgo Petrified Forest and Wanapum Recreational Area State Park on the western bank of the Columbia.
6-469: The current bridge is the second Vantage Bridge. The first was built in 1927 as part of the Sunset Highway (later US 10 ), a precursor to I-90. In 1962 the second bridge was built because the reservoir pool backing up behind the new Wanapum Dam would soon overwhelm the old bridge; it was dedicated by the state on November 9, 1962. The first bridge was dismantled for reuse. The steel cantilever truss
12-770: Is a run-of-the-river hydroelectric project located on the Columbia River downstream (south) from Vantage, Washington where Interstate 90 crosses the Columbia from Grant County into Kittitas County . It is owned by the Grant County Public Utility District . Its reservoir is named Lake Wanapum . The dam, and its lake, are named after the Wanapum Indians. The dam has a rated capacity of 1,185 megawatts and annually generates over 4 million megawatt-hours. The Wanapum dam
18-470: The downstream Priest Rapids Dam on April 17, 2008. The license extension was conditioned upon programs to achieve the following goals: On February 27, 2014, a 2-inch (5 cm) wide crack was discovered by inspection divers on one of the 65 feet (20 m) tall concrete monoliths that make up the spillway of the dam. A spokesman for the Grant County PUD indicated that the level of the water
24-471: Was originally licensed in 1955 for a period of 50 years. Construction was initiated in 1959 with initial beneficial operation in 1963. The initial license expired in 2005, after which the Grant County PUD operated the dam on yearly license extensions while negotiations for license extension proceeded. The Federal Energy Regulatory Commission approved a license extension of 44 years for both the Wanapum dam and
30-532: Was reused for the Lyons Ferry Bridge , which opened in 1968 to carry SR 261 across the Snake River . The bridge deck is scheduled to be replaced between 2024 and 2027 with seasonal lane closures. It is the first major overhaul since 1982. This article about a bridge in the U.S. state of Washington is a stub . You can help Misplaced Pages by expanding it . Wanapum Dam Wanapum Dam
36-418: Was to be lowered by 26 feet (8 m) over a period of days to "reduce the pressure on the spillway while inspectors investigate". During the time that the water level was lowered for repairs, all beaches and water access in the area above the dam were closed to protect sensitive cultural resources and help to ensure public safety. Public access was restored in the spring of 2015. After an 11-week inspection,
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