More than 18,000 of the busiest bridges in the U.S. are rated as "structurally deficient," according to a study by Transportation for America. "The poor condition of our bridges is a problem that is not going away," says Andrew Herrmann, ASCE 2012 president, adding that "[m]ost of the nation's bridges were designed to last 50 years, and today, roughly a third are already 50 years [old] or older." Sen. Frank Lautenberg, D-N.J., said, "Those in Washington who are undercutting transportation projects must stop, and work together to invest in infrastructure that will create jobs, make our communities safer and improve the economy for all."

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