Manson Construction

I-35W "St. Anthony Falls" Bridge

Owner:  Minnesota Department of Transportation
Contract Amount:  $233,763,000
Joint Venture: Flatiron-Manson, A Joint Venture
Location: Minneapolis, MN
Project Duration: 10/2007-09/2008

The purpose of this high-profile project was to replace the I-35W Bridge and open the new bridge to traffic within 15 months. The joint venture team exceeded this goal and opened the bridge to traffic in 11 months. The project team coordinated an aggressive construction schedule in a congested, high-visibility urban transportation corridor. The 1,216' long bridge’s twin 504' long main span is comprised of 120 precast concrete segments weighing up to 200 tons each.

The Associated General Contractors of America named this project the “Most Significant Construction Job of 2008.”