Interstate 70 Manchester Bridge Kansas City, Missouri Design-build team uses extensive highway and traffic management experience to keep three lanes open in each direction during construction ? Existing bridges built in early 1960s ? New lanes built outside existing bridges keep traffic moving ? Expands available lanes, reduces maintenance requirements HNTB teamed with Clarkson Construction Co. to construct two four-lane bridges on Interstate 70 over Manchester Trafficway, the Blue River and an adjacent rail yard. Built in the early 1960s, the original bridges were among the earliest pieces of Interstate construction in western Missouri. They were a major link between downtown Kansas City, Missouri, and its eastern suburbs, as well as the Truman Sports Complex. To keep traffi

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