CDOT Announces Full Closure of Chicago Avenue Bridge Beginning September 29 as Part of Bridge and Viaduct Reconstruction

Chicago - The Chicago Department of Transportation (CDOT) announced that Chicago Avenue will fully close to all traffic between Larrabee Street and Peoria Street starting Monday, September 29, 2025, as part of the ongoing reconstructionof the Chicago Avenue Bridge over the Chicago River and the adjacent Halsted Street Viaduct.

The project includes the following:

• Removal of the existing temporary Chicago Avenue bridge and replacement with a permanent tied-arch bridge
• Construction of a new riverwalk connection beneath the bridge
• Removal and full replacement of the Chicago-Halsted viaduct
• Installation of a new traffic signal at Chicago Avenue and Jefferson Street
• Modernization of traffic signals at three intersections
• Replacement of existing street lighting throughout the corridor
• Installation of protected bike lanes on Halsted Street
• Dedicated CTA bus lanes on Chicago Avenue
• Corridor landscaping improvements

Detour Routes:

• Eastbound Chicago Avenue traffic will be detoured via North Ashland Avenue, West Division Street, and North LaSalle Drive, back to Chicago Avenue.
• Westbound Chicago Avenue traffic will be detoured via North Orleans Street, West Division Street, and North Ashland Avenue, back to Chicago Avenue.

Work is expected to be completed by December 2026.

Additional updates will be provided throughout the project and available at Chicago.gov/CDOT and on the project website.