Umpqua River Bridge
Encyclopedia
The Umpqua River Bridge is a swing-span bridge
that spans the Umpqua River
in Reedsport, Oregon
. It consists of a central swing span flanked by two reinforced concrete arches on each end. The swing span was necessary to accommodate tall sailing vessels which were common on the Umpqua River. The final cost of the bridge was $510,500.
Located at milepoint 211.11 on U.S. Route 101, this bridge is the only bridge in Oregon that still uses a swing span. This bridge was one of the many bridge projects of Conde McCullough
, and opened in 1936.
The north end of the bridge is within Bolon Island Tideways State Scenic Corridor
; the south is within Reedsport city limits.
Swing bridge
A swing bridge is a movable bridge that has as its primary structural support a vertical locating pin and support ring, usually at or near to its centre of gravity, about which the turning span can then pivot horizontally as shown in the animated illustration to the right...
that spans the Umpqua River
Umpqua River
The Umpqua River on the Pacific coast of Oregon in the United States is approximately long. One of the principal rivers of the Oregon Coast and known for bass and shad, the river drains an expansive network of valleys in the mountains west of the Cascade Range and south of the Willamette Valley,...
in Reedsport, Oregon
Reedsport, Oregon
Reedsport is a city in Douglas County, Oregon, United States. As of the 2010 census, the population was 4,154.- History :Reedsport was established on the estuary of the Umpqua River on January 7, 1852. It was named for a local settler, Alfred W. Reed, who founded the city in 1912...
. It consists of a central swing span flanked by two reinforced concrete arches on each end. The swing span was necessary to accommodate tall sailing vessels which were common on the Umpqua River. The final cost of the bridge was $510,500.
Located at milepoint 211.11 on U.S. Route 101, this bridge is the only bridge in Oregon that still uses a swing span. This bridge was one of the many bridge projects of 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 1936.
The north end of the bridge is within Bolon Island Tideways State Scenic Corridor
Bolon Island Tideways State Scenic Corridor
Bolon Island Tideways State Scenic Corridor is a state park in the U.S. state of Oregon, administered by the Oregon Parks and Recreation Department. The park is on Bolon Island 10 river miles from the mouth of the Umpqua River and north of of Reedsport. It is along Highway 101 and near the site,...
; the south is within Reedsport city limits.
External links
- http://egov.oregon.gov/ODOT/HWY/GEOENVIRONMENTAL/docs/Historic_Bridge/coastbr.pdf Spanning Oregon's Coast - Oregon Department of Transportation
- http://memory.loc.gov/cgi-bin/query/S?ammem/hh:@field(SUBJ+@od1(OREGON--Klamath+County--Reedsport)) Historic American Engineering Record - Umpqua River Bridge