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Foster Avenue Bridge over I-90

Due to the deteriorated condition of the Foster Avenue bridge over I-90 (JFK Expressway), IDOT contracted with Hampton, Lenzini and Renwick, Inc. (HLR) to provide a Phase I study to address the bridge’s deficiencies and provide alternatives for its rehabilitation.

The existing four-span structure (395’ total length) was built in 1958 and consists of riveted plate girders with closed abutments. HLR conducted a bridge inspection and several rehabilitation alternatives were evaluated. These alternatives included deck replacement, superstructure replacement, and full replacement to accommodate a future-widened I-90. Preliminary designs and cost estimates were prepared and analyzed.

IDOT selected the full replacement option, as this alternative will provide for a rehabilitated structure while accommodating the widening of I-90 to include four travel lanes in each direction with full-width inside and outside shoulders. Thermal spray or galvanizing is proposed to be used on the steel girders to decrease future maintenance costs of the structure. I-90 ramp traffic will be detoured during construction and Foster Avenue will be reconstructed using staged construction.

Scope of Work:

  • Field inspections
  • Topographic survey
  • Intersection design study to add left turn channelization on Foster Avenue at the WB I-90 ramps intersection
  • Environmental coordination
  • Geometric design
  • Bridge condition report
  • Location drainage study
  • Crash analysis
  • Detour report
  • Project report prepared to federally-approved categorical exclusion requirements

Learn more about preliminary engineering services at HLR.

Client:

IDOT District 1

Location:

City of Chicago

Team:

Amy McSwane, PE, PTOE
Project Manager

Dan Sherman, PE
Project Engineer

Nick Piekarski, PE
Drainage Engineer

Andy Underwager, PE, SE
Structural Engineer

Scott Shoup, PE, SE
Structural Engineer

John Sweet, PLS
Surveyor

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