Safety Zone; Bridge Demolition, Upper Mississippi River, Chester, IL

Coast Guard drew a temporary safety zone on the Upper Mississippi for bridge demolition near Chester, Illinois — river traffic will feel it before shore offices do.

Demolition safety zones are short-lived but absolute: skip the coordinates and you risk a citation mid-transit.

Filing abstract (agency text): The Coast Guard is establishing a temporary safety zone for all navigable waters of the Upper Mississippi River from mile marker 109.5 to mile marker 110.5 near Chester, IL. The safety zone is needed to protect personnel, vessels, and the marine environment from potential hazards associated with bridge demolition operations. Entry of vessels or persons into this zone is prohibited unless specifically authorized by t…

Towboat operators, marina managers, and county emergency desks along that reach: confirm zone bounds, dates, and radio contacts in the USCG notice.

Federal Register filing: https://www.federalregister.gov/documents/2026/09/29/2026-19945/safety-zone-bridge-demolition-upper-mississippi-river-chester-il

This is a Notice Nearby publisher-desk Federal brief — a short in-house summary of a public federal filing. It is not official agency minutes, not a newspaper story, and not Legal Publication. It does not satisfy a statutory notice requirement.