Geography of Arizona of which the one most vital to Arizona is the Central Arizona Project. The Central Arizona Project, which is 336 miles (541 km) long, diverts of water from Lake Havasu City into central and southern Arizona. The river is also utilized for hydroelectric power through various dams along the river. The dams on the Colorado River, going downstream, are the Glen Canyon Dam, Hoover Dam, Davis Dam, Parker Dam, Imperial Dam, Laguna Dam, and the Morelos Dam. The Gila River is long, and extends from southwestern New Mexico to its confluence with the Colorado River near Yuma. While the upper
Glen Canyon Dam Bridge Glen Canyon Dam Bridge The Glen Canyon Bridge or Glen Canyon Dam Bridge is a steel arch bridge in Coconino County, Arizona, carrying U.S. Route 89 across the Colorado River. The bridge was originally built by the United States Bureau of Reclamation to facilitate transportation of materials for the Glen Canyon Dam, which lies adjacent to the bridge just upstream. The two-lane bridge has an overall length of with a deck above the river, making it the one of the highest bridges in the United States. The bridge was the highest arch bridge in the world when completed in 1959.