Moyie River Canyon Bridge
Encyclopedia
The Moyie River Canyon Bridge is a structural steel
truss cantilever bridge
at mile marker 70 on U.S. Route 2
spanning the Moyie River
near Bonners Ferry
and Moyie Springs
. It was constructed in 1965 and it is 1223 feet (372.8 m) long and 424 feet (129.2 m) high. The current bridge replaced an obsolete bridge built in 1923.
The bridge is the second highest in Idaho
, exceeded only by the 476 feet (145.1 m) high Perrine Bridge
across the Snake River
near Twin Falls, Idaho
.
Structural steel
Structural steel is steel construction material, a profile, formed with a specific shape or cross section and certain standards of chemical composition and mechanical properties...
truss cantilever bridge
Cantilever bridge
A cantilever bridge is a bridge built using cantilevers, structures that project horizontally into space, supported on only one end. For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from...
at mile marker 70 on U.S. Route 2
U.S. Route 2
U.S. Route 2 is an east–west U.S. Highway spanning across the northern continental United States. US 2 consists of two segments connected by various roadways in southern Canada...
spanning the Moyie River
Moyie River
The Moyie River is a tributary of the Kootenai River in the U.S. state of Idaho and the Canadian province of British Columbia. The Moyie River is part of the Columbia River basin, being a tributary of the Kootenay River, which is tributary to the Columbia River.-Course:The Moyie River originates...
near Bonners Ferry
Bonners Ferry, Idaho
Bonners Ferry is a city in and the county seat of Boundary County, Idaho, United States. The population was 2,543 at the 2010 census.-History:...
and Moyie Springs
Moyie Springs, Idaho
Moyie Springs is a city in Boundary County, Idaho, United States. The population was 718 at the 2010 census.-Geography:Moyie Springs is located at ....
. It was constructed in 1965 and it is 1223 feet (372.8 m) long and 424 feet (129.2 m) high. The current bridge replaced an obsolete bridge built in 1923.
The bridge is the second highest in Idaho
Idaho
Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....
, exceeded only by the 476 feet (145.1 m) high Perrine Bridge
Perrine Bridge
The I. B. Perrine Bridge at Twin Falls, Idaho, United States is a truss arch four-lane bridge carrying U.S. Highway 93 over the Snake River Canyon. Perrine Bridge is approximately long and above the Snake River...
across the Snake River
Snake River
The Snake is a major river of the greater Pacific Northwest in the United States. At long, it is the largest tributary of the Columbia River, the largest North American river that empties into the Pacific Ocean...
near Twin Falls, Idaho
Twin Falls, Idaho
Twin Falls is the county seat and largest city of Twin Falls County, Idaho, United States. The population was 44,125 at the 2010 censusTwin Falls is the largest city of Idaho's Magic Valley region...
.