Granite to build $350 million I-290 drainage, sewer upgrade in Chicago
CHICAGO (UI) — The Illinois Department of Transportation (IDOT) has selected Granite for its first Construction Manager/General Contractor (CM/GC) contract, advancing a $350 million stormwater and drainage improvement project along the I-290 corridor in Chicago.
The I-290 Drainage Improvements Project will include installation of 3.3 miles of new trunk sewer—up to 90 inches in diameter—along with new detention systems, bridge reconstruction, and retaining wall replacements. The upgrades aim to reduce flooding and improve stormwater management along the Eisenhower Expressway corridor, which is prone to heavy runoff during major storms.
“We’re honored to be selected for IDOT’s first CM/GC contract. This is a tremendous opportunity for our team,” said Granite Project Executive Brad Jacobson. “As the initial phase of a proposed $6 billion I-290 corridor-wide improvement program, this project represents a major investment in the future of Illinois transportation. We’re proud to partner with the IDOT Innovative Project Delivery team to deliver innovative infrastructure solutions that benefit communities throughout the region.”
The CM/GC delivery model, used for the first time by IDOT, allows early contractor involvement in the design process to enhance coordination and efficiency before construction begins. Granite’s Midwest Region and Tunnel Division will jointly manage the project.
Preconstruction work is scheduled to start in November 2025, with construction expected to begin in early 2027 and finish by late 2029.
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