What is an extradosed bridge?
Crews are spending 2013 building all of the bridge foundations/footings below the water surface. At the end of their work, you’ll see two concrete footings at each of the five piers in the water. They will stick up about 15 ft. above the water level. Check out the process for constructing everything that goes under the water surface:
The approach work on WIS 64 will begin in 2014 and be complete in fall 2016 when the new St. Croix Crossing opens. Visit the Wisconsin project site for more information.
Minnesota approach work includes:
Read more about the project background, including summary of work, bidding and contracting info and more.