Primera provided engineering design for the replacement of the Touhy Avenue bridge over the North Branch of the Chicago River in Niles, Illinois. The existing structure, a 65-foot-long simple span concrete beam, did not meet minimum hydraulic clearances. The new bridge now features a simple span reinforced concrete deck on composite 33-inch-deep steel girders, supported by integral abutments with a 15-degree skew. Primera provided engineering design services. which included the preparation of Type, Size, and Location (TS&L) plans, contract documents (plans, special provisions, and cost estimates), Maintenance of Traffic plans, and construction support for the improvements.
Touhy Ave. Bridge Over North Branch of Chicago River
Niles, Illinois
Services Provided
Roadway Design, Structural Engineering
Owner
Illinois Department of Transportation (IDOT)
Our Expertise
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