Safety Zone; Brandon Road Lock and Dam to Lake Michigan Including Des Plaines River, Chicago Sanitary and Ship Canal, Chicago River, and Calumet-Saganashkee Channel, Chicago, IL

The Coast Guard will enforce a moving safety zone on the South Branch of the Chicago River between the Lake Street Bridge at mile marker 325.5 and South Damen Avenue at mile marker 321 for the floating down of the bridge leaf for the Chicago Department of Transportation Bridge repair. During the enforcement period, entry into, transiting, mooring, laying-up, or anchoring within the safety zone is prohibited unless authorized by the Captain of the Port Lake Michigan or a designated on-scene representative.

From Federal Register — USCIS and DHS (federalregister.gov). First seen Oct 10, 2026.

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