Minnesota Department of Transportation, Minneapolis, Minnesota, USA

On 1 August 2007, the 40-year-old, eight-lane Interstate 35W bridge (Minneapolis, MN, USA) collapsed into the Mississippi River during rush hour. Thirteen people lost their lives; one hundred others were injured. Now, Flatiron Constructors (Longmont, CO, USA) is working with the Minnesota Department of Transportation (Mn/DOT) to rebuild what has long been one of the major arteries into Minneapolis, and their plan is to complete a typically three-year project in 437 days. This aggressive deadline has pushed risk management to the forefront of managing and implementing this reconstruction effort. This article discusses the project team's approach to managing the risks involved in rebuilding this bridge. In doing so, it describes the work MnDOT performed in excavating the site so as to lower the contractor's risks; it overviews the design process MnDOT selected, one that allows simultaneous design and construction work. It then explains the project team's key safety-focused risk management practices, which inclu
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