Photographer's notes: "Nevada side bridge construction showing the old highway and hairpin turn, April 28, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Ironworkers were transported in manbaskets via a high line crane system to the end of the Arizona arch segment." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Road bed shoulder stabilization and rail guards, Nevada side of Hoover Dam Bypass, April 29, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Downstream view at dusk of the bridge and Black Canyon from an employee parking lot on the Nevada side." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View of the Arizona side, arch construction was supported by temporary pylons and cable stays." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge