I-55/Lake Shore Drive Flyover

Client

Illinois Department of Transportation

Location

Chicago, Illinois
OMEGA consulted with the Illinois Department of Transportation for a $60 million improvement of the Stevenson Expressway (I-55) inbound bridges from the Dan Ryan Expressway (I-94) to Lake Shore Drive (US 41).

Project Scope

The project included the removal, replacement, widening, and reconstruction of the pre-existing three inbound bridge structures located within the I-55 and US 41 Interchange in the City of Chicago. The project spanned over Martin Luther King, Jr. Drive and the Metra & CN Railroad corridor.

The project included:

  • Roadway lighting
  • Surveillance and camera installation
  • Overhead and interstate signing
  • Pavement reconstruction within the project limits using 9.75″ PCC jointed pavement and shoulders
  • Three new concrete mechanically stabilized earth retaining walls adjacent to the bridge locations
  • Landscaping
civil engineering firms

The Inbound I-55 at Lake Shore Drive Interchange project was a high-profile project located in the City of Chicago’s South Loop adjacent to McCormick Place and Soldier Field. Maintaining a positive public image by completing the project on schedule and with minimal closures and detours was important and met the goals of the owner/client. The overall benefits of utilizing a temporary bridge and revising and reconfiguring the traffic staging patterns also included reducing congestion and travel times, improving traffic flow, increasing safety, saving drivers’ fuel, and improving the environment by helping to reduce greenhouse gas emissions.

Awards:

  • National Recognition Award in the American Council of Engineering Companies (ACEC) 2019 Engineering Excellence Awards (EEA) Competition – the “Academy Awards of the engineering industry.”
  • 2019 American Council of Engineering Companies (ACEC) – Illinois section Engineering Excellence Award.

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