Source: Portland Cement Association, Skokie, Ill.
Jurors recently honored the Mike O’Callaghan-Pat Tillman Memorial Bridge, spanning the Black Canyon between Arizona and Nevada, with special recognition as an outstanding achievement in the PCA’s 13th Biennial Bridge Awards Competition. The competition recognizes excellence in design and construction of concrete bridges. PCA will recognize the winners at the American Concrete Institute Fall 2012 Convention, October 21, in Toronto.
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