fods in the field case study BACKGROUND Interstate 70 cuts through Denver and plays a major role as one of Colorado’s vital economic arteries. Built in the early 1960s, the expected lifespan of the bridges, drainage and interstate system was 30 years. Since then, nine structures have been categorized as either functionally obsolete or structurally deficient and in need of repair, rehabilitation, or replacement. The $1.2 billion dollar Central 70 Project, the largest rehabilitation undertaking in the Colorado Department of Transportation’s (CDOT) history, was the answer to the deteriorating transportation I-70 infrastructure. CDOT contracted Kiewit Meridiam Partners LLC (KMP) to overhaul a 10 mile stretch of I-70, widen and lower I-70 thirty feet between two major boulevards, place a

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