The Boone River Bridge is a historic structure located north of

Goldfield, Iowa Goldfield is a city in Wright County, Iowa, United States. The population was 634 at the time of the 2020 census. History A post office called Goldfield has been in operation since 1856. Brassfield was the name of a pioneer settler, but it was ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. It is a 6-panel, Warren

Pony 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 ...

span over the

Boone River The Boone River is a tributary of the Des Moines River in north-central Iowa in the United States. It is longU.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed May 26, 2011 and drains a ...

. The construction began in 1910. The bridge was built in 1912 by the Iowa Bridge Company using steel fabricated at the Cambria steel mills in

Johnstown, Pennsylvania Johnstown is the largest city in Cambria County, Pennsylvania, United States. The population was 18,411 as of the 2020 United States census, 2020 census. Located east of Pittsburgh, it is the principal city of the Metropolitan statistical area ...

. The Boone River Bridge is one of the few remaining multiple span pin-connected Pratt trusses in the state. It was listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...

in 1998. The bridge was rehabilitated in 1940.

References

Bridges completed in 1912 Transportation buildings and structures in Wright County, Iowa Road bridges on the National Register of Historic Places in Iowa Truss bridges in Iowa National Register of Historic Places in Wright County, Iowa Steel bridges in the United States Warren truss bridges in the United States 1912 establishments in Iowa {{Iowa-bridge-struct-stub