Lewis and Clark River Bridge
Encyclopedia
The Lewis and Clark River Bridge is a bascule bridge
that spans the Lewis and Clark River
on U.S. Route 101 in Clatsop County, Oregon
. It was designed by Conde McCullough
and opened in 1924.
The total length of the bridge is 828 feet (252.4 m), and the length of the bascule main span is 112 ft (34.1 m)
Bascule bridge
A bascule bridge is a moveable bridge with a counterweight that continuously balances the span, or "leaf," throughout the entire upward swing in providing clearance for boat traffic....
that spans the Lewis and Clark River
Lewis and Clark River
The Lewis and Clark River is a tributary of the Columbia River, approximately long, in northwest Oregon in the United States. It drains of the Northern Oregon Coast Range in the extreme northwest corner of the state, entering the Columbia near its mouth. Near the river's mouth is the site of...
on U.S. Route 101 in Clatsop County, Oregon
Clatsop County, Oregon
Clatsop County is a county located in the U.S. state of Oregon. The county is named for the Clatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement. As of 2010, the population was 37,039. The county seat is Astoria.-Economy:The principal...
. It was designed by Conde McCullough
Conde McCullough
Conde Balcom McCullough was a U.S. bridge engineer who is primarily known for designing many of Oregon's coastal bridges on U.S. Route 101. The native of South Dakota worked for the Oregon Department of Transportation from 1919 to 1935 and 1937 until 1946...
and opened in 1924.
The total length of the bridge is 828 feet (252.4 m), and the length of the bascule main span is 112 ft (34.1 m)
Sources
- Elegant Arches, Soaring Spans: C.B. McCulough, Oregon's Master Bridge Builder, Robert W. Hadlow, Oregon State University Press, 2001. ISBN 0-87071-534-8.