Photographer's notes: "Scaffolding and formwork shroud a pair of piers and pier cap construction, which would serve eventually to connect tub (box) girders and support the completed roadbed." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Tub girders on the Nevada side bridge deck, February 2, 2010. Note: This was one of the only times I was allowed on the bridge deck while girders were present and work was underway." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "The near-silhouette of the bridge frames the dam against the evening sky. July 30, 2010." 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
Photographer's notes: "Upstream evening view of the bridge with piers near completion and twelve tub girders installed on the arch's center, from the boat launch area, February 3, 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge