Glen Canyon Unit, Colorado River Storage Project, Arizona.
Glen Canyon Unit, Colorado River Storage Project, Arizona. An aerial looking downstream at Glen Canyon Damsite. Water is seen flowing into the left diversion tunnel. There is approximately 350,000 cubic yards of concrete now in the dam, and the highest block is 115: feet high. Spillways can be seen on each rim of the canyon. Glen Canyon Bridge, the highest steel arch bridge in the world, is 700 feet above the Colorado River.Aerial of bridge at Glen Canyon Dam. Highway 89.