U.S. Route 93 in Nevada portion of abandoned railroad right-of-way. A shopping center now sits where the original truck bypass alignment once ran. US 93 was realigned again on October 19, 2010, when the Mike O'Callaghan – Pat Tillman Memorial Bridge over the Black Canyon of the Colorado River opened to vehicular traffic. With that, the highway no longer passes over Hoover Dam, and the state-maintained portion of the replaced route was renamed as Hoover Dam Access Road (SR 172). In 2011, US 93 from Buchanan Boulevard to the Nevada terminus of the Hoover Dam Bypass was expanded to four through lanes with dedicated turn
Colorado City, Nevada Colorado City, Nevada Colorado City is now a ghost town, in Clark County, Nevada, located under Lake Mohave at the mouth of El Dorado Canyon. Colorado City was a mining camp in the Colorado Mining District (New Mexico Territory) and a steamboat landing at the mouth of the El Dorado Canyon on the Colorado River, for shipments via steamboats of the Colorado River. Founded in 1861, Colorado City, was at first located in New Mexico Territory, until 1863, when it became part of Mohave County of Arizona Territory. In 1867 it became part of Lincoln County in the state of