LOWER MISSISSIPPI RIVER - UPPER MISSISSIPPI RIVER
General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes
Continuing until October 29, 2026, M/V DAVENPORT, CLINTON or MUSCATINE will be conducting rock placement operations, along the RDB, between approximate Miles 352.5 and 347.7. Work will be conducted from 7:00 a.m. until 5:30 p.m., 7-days a week. M/V DAVENPORT, CLINTON or MUSCATINE will monitor VHF-FM Channel 13 or 14, and requests 30-minutes advance notice of passage. Mariners are urged to transit the area at their slowest safe speed to minimize their wake and proceed with caution after passing arrangements have been made.
USCG Heartland (MRS) District Local Notice to Mariners 43/2026