MINNEAPOLIS - AUGUST 2:  Two police officers stand watch where the Interstate 35 bridge severed and cars piled up on the east side of the Mississippi River August 2, 2007 in Minneapolis, Minnesota. The eight lane steel and concrete bridge, which was undergoing repair work, broke apart sending at least 50 vehicles into the Mississippi River. Getty Images logo Getty Images 58 months ago

MINNEAPOLIS - AUGUST 2: Two police officers stand watch where the Interstate 35 bridge severed and cars piled up on the east side of the Mississippi River August 2, 2007 in Minneapolis, Minnesota. The eight lane steel and concrete bridge, which was undergoing repair work, broke apart sending at least 50 vehicles into the Mississippi River.