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The Interstate Bridge (also Columbia River Interstate Bridge, I-5 Bridge, Portland-Vancouver Interstate Bridge, Vancouver-Portland Bridge) is a pair of nearly identical steel vertical-lift, Parker through-truss bridges that carry Interstate 5 traffic over the Columbia River between Vancouver, Washington and Portland, Oregon in the United States.
Interstate Bridge: 106.5 I-5 ... Hood River Bridge: 168.8 Hood River, Oregon to White Salmon, ... Map all coordinates using OpenStreetMap.
The main span, near the Washington side, is 600 ft (183 m) long with 144 ft (44 m) of vertical clearance at low river levels. The bridge was named for Glenn Jackson, the chairman of the Oregon State Highway Commission and later the Oregon Economic Development Commission. [8] The average weekday traffic during 2019 was 166,152 vehicles. [2]
This is a list of bridges and tunnels longer than 100 feet (30 m) on U.S. Route 101 in Oregon, also known as the Oregon Coast Highway, from south to north. Many of them were designed by Conde McCullough .
The Oregon state government initially proposed numbering the auxiliary Interstates using lettered suffixes, but were denied in 1958 by the American Association of State Highway Officials (forerunner to the AASHTO). [7] The last section of the Interstate Highway system to be built in Oregon, on I-82 near Hermiston, opened on September 20, 1988. [8]
The program tasked with replacing the century-old Interstate 5 bridge that connects Portland, Oregon, with southwest Washington, and serves as a vital transportation and commerce link, is set to ...
Portland has 12 bridges that span the Willamette, while only two road bridges cross the Columbia River, and other notable bridges cross roads, canyons or other bodies of water. Interstate 5 crosses the Willamette via the Marquam Bridge and the Columbia via the Interstate Bridge .
The project to replace the Interstate Bridge over the Columbia River on Interstate 5 connecting Washington and Oregon is estimated to cost $6 billion.