Photographer's notes: "Tub girder and ironworker shadow on the Nevada side bridge deck, February 2, 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Final concrete pour, which formed the keystone of the arch and completed its structure. Photographed from the Arizona side north or the bridge. August 10, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Final concrete pour, which formed the keystone of the arch and completed its structure. Photographed from the Arizona side north or the bridge. August 10, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Foundation of the arch on the Arizona side of the Black Canyon, April 13, 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from the river up to the Arizona side. Deck construction was still in progress. Note: This was the only time I was given access to this particular point of view on the Arizona side beneath the bridge." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "The final pier segment is brought into position on the southern pier near the Nevada bridge deck, November 24, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Sunrise, looking across the canyon to Nevada. The arch was nearly complete with temporary pylons and cable stays supporting each segment. The highline crane system prepared to lower a rebar section into position." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge