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Case Study

Public Improvement for I-90/Oriole Bridge Replacement


I-90 and Oriole, IL


  • 16 inch steel relocation for bridge replacement
  • Reroute gas main on north and south side of interstate

Project Challenges:

  • Constrained timeline
  • Working alongside interstate with extremely heavy vehicle traffic
  • Steep slopes with difficult ingress/egress for project
  • Required schedule coordination with bridge contractor

Creative Solutions:

  • Developed alternate construction plan to shorten required construction timeframe
  • Coordinated work on both sides of interstate simultaneously to meet required schedule


  • Project completed ahead of schedule
  • Project complete without incident