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I-90 over Fox River Bridge

Client:

llinois Tollway

Project Type:

Engineering & Design

Location:

Illinois

About the Project

Illinois Tollway Constructs Piers Under Existing Structure, Reducing Project Time

Stanley Consultants conducted a value engineering study on this $77 million project to replace the aging I-90 Tollway Bridge over the Fox River. The challenge faced was to minimize impact to the traveling public, as this would not only reduce revenue loss from decreased tollway usage, but also enhance travel safety. The value engineering team had the idea to significantly lengthen individual bridge spans, thereby increasing the structural depth and lowering required pier elevations. This allowed for the piers to be constructed without touching the existing structure or impacting traffic above. This recommendation saved six months on the construction schedule and allowed for Illinois Tollway to keep all six travel lanes open during bridge construction.

Solutions

Engineering & Design

Engineering and design services at Stanley Consultants combine our robust technical skills with forward-thinking innovation to deliver the highest-quality results.

Environmental & Regulatory

At Stanley Consultants, our talented team of scientists and engineers is focused on helping clients adapt to evolving regulations and finding solutions to protect the changing environment.

Project Management

At Stanley Consultants, we offer a broad range of professional expertise in construction management and constructability reviews to meet project objectives and deliver results.

Strategic Planning & Consulting

At Stanley Consultants, we understand that planning and consulting include every aspect of engineering. We use the best tools available to create designs and master plans built for longevity, resiliency, and sustainability.

By The Numbers

77

Million Dollar Bridge Cost

6

Months Saved

6

Lanes Kept Open

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