LAKE MICHIGAN - CHICAGO HARBOR
General / Bridges / Maintenance
From November 23, through December 18, 2026, between the hours of 0600 and 1800, Monday through Saturday, a 150-foot by 60-foot barge will be working under the 18th Street at Mile 3.60 (CORPS MILE 323.7) over the South Branch of the Chicago River. The barge will move if provided with a 3-hour advance notice on VHF-FM Marine Channel 16.
Position 41-51.47N 087-38.12W
USCG Great Lakes District Local Notice to Mariners 44/2026