Photographer's notes: "A high line crane system, which ran between the Arizona and Nevada sides of the canyon, was used to transport materials and workers during the bridge's construction." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Evening view of the arch segments nearing their rendezvous over the Colorado River." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Evening aerial view of the dam and bridge. Twelve tub (box) girders spanned the central pier caps of the bridge forming part of the substructure for the roadbed. Note: This photo was taken well after sunset and was only possible because of the state of digital technology in 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Ironworkers in manbasket travel over the Nevada side bridge deck with the Colorado River below, February 2, 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon aerial view of the river, bridge, dam and Lake Mead, January 14, 2011. Note: The structural relationship between the bridge and the small bridge over the Arizona spillway can be easily seen." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon aerial view of the river, bridge, dam and Lake Mead, January 14, 2011. Note: The structural relationship between the bridge and the small bridge over the Arizona spillway can be easily seen." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Aerial view, the pedestrian walkway "switchbacks" up to informational/historical displays and the pedestrian walkway on the bridge can be seen from the lower left of the frame moving across the bridge. April 10, 2012." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge