Red Cliff Bridge is a cantilevered steel

arch bridge An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side. A viaduct ...

located about southwest of the town of Red Cliff, Colorado,OpenStreetMap
/ref> one of Colorado's iconic bridges. The bridge carries

U.S. Highway 24 U.S. Route 24 (US 24) is one of the original United States highways of 1926. It originally ran from Pontiac, Michigan, in the east to Kansas City, Missouri, in the west. Today, the highway's eastern terminus is in Independence Township, Mich ...

over the Eagle River, as well as a county road, and the former

Union Pacific Railroad 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 Paci ...

track that heads south toward Tennessee Pass and the city of Leadville. One of only two steel arch bridges within Colorado, Red Cliff Bridge has been listed on the

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 artistic v ...

since 1985 and is the state's only cantilevered steel arch bridge. The bridge was designed by King Burghardt, an engineer at the Colorado Department of Highways, and built by contractor P.M. Kenney in 1940, using steel components fabricated by the Minnesota-Moline Power Implement Company. Construction was difficult, with workers hanging over a drop while working in temperatures that sometimes dipped below . Burghardt wrote in his journal, "In the morning, each gang was lifted to its scaffold on a platform hung from the high line. They took their lunches with them and spent the entire day in the air with the winter wind continually blowing up the canyon." After more than 60 years since its construction, the bridge had deteriorated to the point that major restoration work was required. The work was completed between March and November 2004 at a cost of $3.6 million, with $1.6 million coming from the

Federal Highway Administration The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program a ...

. The bridge deck was replaced and widened and much of the steel was repainted. However, because of the bridge's historic status, care was taken to maintain the visual aesthetic. The rehabilitation effort won the 2005 National Steel Bridge Alliance Prize Bridge Award for the year's best reconstructed bridge.

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{{commonscat-inline
Preserving Red Cliff Arch

Bridges of the United States Numbered Highway System Open-spandrel deck arch bridges in the United States Road bridges on the National Register of Historic Places in Colorado Transportation buildings and structures in Eagle County, Colorado Bridges completed in 1940 U.S. Route 24 National Register of Historic Places in Eagle County, Colorado Steel bridges in the United States Cantilever bridges in the United States

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