The bridge is the first concrete-steel composite arch bypass built in the country. It rises 270m above the Colorado River. This make it the 7th highest bridge in the world at the time of its construction, but now occupies the 14th position. Its has a length of 579m and span of 323m. Its full name is Mike O’Callaghan–Pat Tillman Memorial Bridge. The project was completed within five years, and there were more than 1200 workers and 300 engineers. Its value is approximately 114 million U.S. dollars.
Bridge like this, bypassing Hoover dam, is unique in its kind facility that requires an innovative approach to design and implementation. Among the factors that affect the overall project are primarily the cost, aesthetics, and the stages of construction as well as the future operation of the facility. The designers and the builders were facing a huge challenge, because there is no other project with similar requirements to invoke.