I-80 over Des Plaines River Bridge, Chicago Street and Center Street Interchanges

Project Overview

Description

HBM served as the Phase II structural engineering provider for the reconstruction of key infrastructure elements along the I-80 corridor at the Des Plaines River Bridge and the Chicago Street and Center Street interchanges in Joliet. Working under prime consultant WSP, HBM developed contract plans, specifications, and estimates (PS&E) for the proposed improvements, served as Designer of Record for the new Center Street Bridge over I-80 (SN 099-8332) and five retaining walls, and led the U.S. Coast Guard bridge permit application for the Des Plaines River crossing.

HBM's Scope

Scope of Work

• ›Structural design of the two-span continuous Center Street Bridge over I-80 (SN 099-8332) — an 8-inch reinforced concrete deck on 44-inch web steel plate girders, with an estimated construction cost of approximately $9 million
• ›Design of five retaining walls along I-80, the ramps, and Center Street — including a 934-foot drilled soldier pile wall and MSE walls with heights up to 22'-1"
• ›U.S. Coast Guard bridge permit application for the Des Plaines River Bridge replacement, including bridge location and vicinity maps, plan and profile clearance exhibits, and coordination through approval
• ›Type, Size, and Location (TSL) plans, final plans, specifications, and estimates (PS&E)
• ›Structural analysis and design using OpenBridge Designer 3D modeling, MIDAS, and MDX
• ›Quantity calculations, shop drawing reviews, Phase III construction support, and QA/QC

Highlights

Project Highlights

• Curved west fascia girder paired with straight interior girders to resolve the bridge's complex south-end geometry
• Deck elevations engineered through a superelevation transition zone, verified with a full 3D OpenBridge Designer model
• Long spans designed with 44-inch-deep girders to preserve vertical clearance over I-80 while maintaining the roadway profile