Looking down on the Sherwood bridge from the Sherwood quarry drum. Hwy 6 is at the top, the Eagle River is flowing under the Sherwood bridge and I-70 is at the bottom. At the turn of the century, major routes in the Colorado mountains were steep, rocky grades, little more than wagon tracks. By 1910, cars were becoming more prominent but Colorado roads were in terrible condition. That year, the State Highway Commission established Highway 10 from...

Red Cliff Bridge on U.S. Highway 24, across the canyon of the Eagle River at Red Cliff, Colorado. Completed on July 28, 1941; dedicated and opened to travel on August 3, 1941. Dimensions: 470 ft. long; 209 ft. high; 30-ft. roadway and two 18-inch curbs. The Red Cliff Bridge was entered into the National Register of Historic Places on February 4, 1985, in recognition of its contribution to the heritage of the state of Colorado Buildings in background...