Photographer's notes: "Upsteam view of Hoover Dam, the powerhouse, and the bridge's shadow. January 12, 2011. Note: For periods before and after the winter solstice, the bridge cast a dramatic shadow across the dam in the late afternoon." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon view of the bridge from the top of Sugarloaf with the old Nevada road hairpin seen beneath the bridge, January 13, 2011. Note: With the bridge open, this again became a NAFTA (North American Free Trade Agreement) route for trucks." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon view of the bridge from the top of Sugarloaf with the old Nevada road hairpin seen beneath the bridge, January 13, 2011. Note: With the bridge open, this again became a NAFTA (North American Free Trade Agreement) route for trucks." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon view of the bridge from the top of Sugarloaf with the old Nevada road hairpin seen beneath the bridge, January 13, 2011. Note: With the bridge open, this again became a NAFTA (North American Free Trade Agreement) route for trucks." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Dusk view of the bridge from the top of Sugarloaf with the old Nevada road hairpin seen beneath the bridge, January 13, 2011." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Dusk view of the bridge from the top of Sugarloaf with the old Nevada road hairpin seen beneath the bridge, January 13, 2011." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A return to the view of the bridge from the dam sidewalk first taken in April 2009. January 13, 2011." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A return to the view of the bridge from the dam sidewalk first taken in April 2009. January 13, 2011." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon aerial view of the bridge, dam and Lake Mead, January 14, 2011." 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