In Utah, Riley joins a crew of more than 300 engineers, contractors and laborers as they gamble on an innovative installation technique: demolishing a crumbling concrete bridge and installing a new throughway bridge in just four days (WTF!). This fix involves huge remote-controlled trailers, enormous hydraulics, and a 4 million-pound, five-lane bridge that must be transported almost two miles before it is installed in one piece on Interstate 80 in Salt Lake City.
