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Astoria–Megler Bridge
Bridge in Oregon and Washington, U.S. / From Wikipedia, the free encyclopedia
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The Astoria–Megler Bridge is a steel cantilever through-truss bridge in the Pacific Northwest region of the United States that spans the lower Columbia River. It carries a section of U.S. Route 101 from Astoria, Oregon, to Point Ellice near Megler, Washington. Opened in 1966, it is the longest continuous truss bridge in North America.
Quick Facts Coordinates, Carries ...
Astoria–Megler Bridge | |
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![]() Viewed from the Astoria side of the Columbia River | |
Coordinates | 46.217°N 123.863°W / 46.217; -123.863 |
Carries | 2 lanes of ![]() and bicycles |
Crosses | Columbia River |
Locale | Astoria, Oregon / Pacific County, Washington, U.S. |
Maintained by | Oregon Department of Transportation |
ID number | s0000548 |
Characteristics | |
Design | cantilever through-truss |
Material | Steel |
Total length | 21,474 feet (6,545 m) |
Width | 28 feet (8.5 m) |
Longest span | 1,233 feet (376 m)[1] |
No. of spans | 8 (main) 33 (approach)[2] |
Piers in water | 171 |
Clearance below | 196 feet (60 m) at high tide |
History | |
Designer | Oregon and Washington transportation departments |
Construction start | November 5, 1962 (1962-11-05) |
Construction end | August 27, 1966 (1966-08-27) |
Construction cost | $24 million (equivalent to $172 million in 2023 dollars) |
Opened | July 29, 1966 (1966-07-29) |
Inaugurated | August 27, 1966 (1966-08-27) |
Replaces | Astoria–Megler Ferry |
Statistics | |
Daily traffic | 7100 |
Toll | none (since December 1993) |
Location | |
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The bridge is 14 miles (23 km) from the mouth of the river at the Pacific Ocean. The bridge is four miles (6.5 km) in length,[3] and was the final segment of U.S. Route 101 to be completed between Olympia, Washington, and Los Angeles, California.[4]