Photographer's notes: "Ironworkers ascend a rib of the arch on the Nevada side to start their evening shift." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Workers at day's end departing the construction site via a manbasket and the highline crane." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Evening view of pier (column) construction from the Arizona side of the canyon, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Evening view of pier (column) construction from the Arizona side of the canyon, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "An abstracted view of the twin-rib arch with a steel strut, shrouded by concrete panels, connecting them." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View of the Arizona side arch foundation and piers, late afternoon, October 21, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Tops of the highline crane towers against the Arizona hills, October 21, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A view of the bridge at nightfall. from the Nevada side of Black Canyon. Pier and pier cap construction can be seen along the length of the arch." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge