St. Croix River Approach Design-Build


  • LocationOak Park Heights, MN
  • ClientMinnesota Department of Transportation
  • Category Design-Build


This $56 million project designed and constructed the TH 36 approach to the new St. Croix River Bridge in Oak Park Heights, MN. The project includes 2 miles of TH 36 mainline, 1.5 miles of TH 95, a new interchange, and 4 miles of municipal and county roads. Alliant was responsible for all design, environmental compliance, design quality assurance and design management on the project.


  • Transportation Infrastructure
  • Traffic Engineering
  • Roadway Design
  • Intelligent Transportation Systems
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