Completed in 1960 by American Bridge, the Duluth Superior Interstate Bridge features a through cantilever with tied arch main span, 270-600-270′, and an 82′ rise.
Project Details
- Owner: Wisconsin Department of Transportation
- Location: Duluth, Wisconsin, United States
- Performed as: American Bridge Company
- Project value: $2,259,421.00
- Completion Date: December 1960