A cantilevered leaf on the Wells Street Bridge in Chicago that services rapid transit needs to be replaced and the city's Department of Transportation has just nine days to do it. The segment that will be removed from the 345-ft-long, 72-foot-wide bridge will be replaced with a 500,000-pound prefabricated section. "It's been the most challenging project of my 20-plus-year career with CDOT," said Daniel Burke, CDOT's chief engineer. "From planning through construction, the amount of thought, effort, coordination and scheduling involved has been immense."
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