The Cold Springs Bridge is a 208-foot, single span

Pegram truss A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, or ...

bridge in

Blaine County, Idaho Blaine County is a county in the U.S. state of Idaho. As of the 2020 United States Census, the population was 24,272. The county seat and largest city is Hailey. It is also home to the Sun Valley ski resort, adjacent to Ketchum. Blaine County ...

. It is wide. It provides clearance above a roadbed below. With . The Cold Springs Bridge was constructed in 1884 at the Snake River Crossing in Ontario, Oregon. In 1917, the bridge was disassembled and relocated to Blaine County, Idaho. It crosses the

Big Wood River The Big Wood River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. , accessed May 4, 2011 river in central Idaho, United States, that is a tributary of the Malad River (which in turn is tributary to the S ...

2 miles south of

Ketchum, Idaho Ketchum is a city in Blaine County, Idaho, located in the central part of the state. The population was 3,555 at the 2020 census, up from 2,689 in 2010. Located in the Wood River Valley, Ketchum is adjacent to Sun Valley and the communities s ...

. This bridge served the

Union Pacific The Union Pacific Railroad , legally Union Pacific Railroad Company and often called simply Union Pacific, is a freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pac ...

from 1936 to 1981 bringing skiers on luxury trains to

Sun Valley, Idaho Sun Valley is a resort city in the western United States, in Blaine County, Idaho, adjacent to the city of Ketchum in the Wood River valley. The population was 1406 at the 2010 census, down from 1427 in 2000.National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artist ...

References

Railroad bridges in Idaho Truss bridges in the United States Buildings and structures in Blaine County, Idaho Railroad bridges on the National Register of Historic Places in Idaho Transportation in Blaine County, Idaho Former railway bridges in the United States Pedestrian bridges in Idaho Relocated buildings and structures in Idaho National Register of Historic Places in Blaine County, Idaho {{Idaho-bridge-struct-stub