Photographer's notes: "The second of the final four tub girders is flown into position via the highline crane, April 15, 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "The final tub girder of the bridge's construction appears to be moving into position for installation, but it is really being brought into position for a photo opportunity by the ironworkers, April 15, 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A worker climbs up a stairwell of the Nevada side arch construction, May 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A view from the Nevada side bridge deck toward the Arizona wall of the Black Canyon shows the complexity of the construction process, May 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from the Nevada side bridge deck down to the Nevada side arch segments and the river, May 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from the Nevada bridge deck down to the Nevada side arch segments and Colorado River." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from the Nevada bridge deck down to a Nevada side arch segment and Colorado River." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from the Nevada side bridge deck down to the Nevada side arch segments and the river, evening, May 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from the Nevada side arch foundation looking across toward Arizona, evening, May 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge