Astoria–Megler Bridge

Astoria–Megler Bridge
Viewed from the Astoria side of the Columbia River
Coordinates46°13′01″N 123°51′47″W / 46.217°N 123.863°W / 46.217; -123.863
Carries2 lanes of US 101
and bicycles
CrossesColumbia River
LocaleAstoria, Oregon / Pacific County, Washington, U.S.
Maintained byOregon Department of Transportation
ID numbers0000548
Characteristics
Designcantilever through-truss
MaterialSteel
Total length21,474 feet (6,545 m)
Width28 feet (8.5 m)
Longest span1,233 feet (376 m)
No. of spans8 (main)
33 (approach)
Piers in water171
Clearance below196 feet (60 m) at high tide
History
DesignerOregon and Washington transportation departments
Construction startNovember 5, 1962 (1962-11-05)
Construction endAugust 27, 1966 (1966-08-27)
Construction cost$24 million (equivalent to $172 million in 2023 dollars)
OpenedJuly 29, 1966 (1966-07-29)
InauguratedAugust 27, 1966 (1966-08-27)
ReplacesAstoria–Megler Ferry
Statistics
Daily traffic7100
Tollnone (since December 1993)
Location

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.

Lying 14 miles (23 km) from the river mouth at the Pacific Ocean, the bridge is four miles (6.5 km) in length, and was the final segment of U.S. Route 101 to be completed between Olympia, Washington, and Los Angeles, California.