St. Croix Crossing Bridge

The original Stillwater lift bridge was built in 1931. The lift bridge has become a much-loved symbol of the city of Stillwater, nestled on the west bank of the St. Croix River. The St. Croix River Crossing Project called for the construction of a new four-lane bridge. Construction began in 2014 and the bridge was opened to vehicle traffic on August 2, 2017.

The new St. Croix Crossing Bridge is extradosed design, combining cable-stay engineering with boxgirder construction (650 precast box girders). Only the second of its type in the U.S. Amount of concrete used: 139,219 cubic yards. Area of bridge where stainless reinforcement bar was used: Deck (approx. 6,000 Tons of duplex 2304).