LNM09-B78DE1
Received 23 Sept 2026, 00:00 UTC
Warning text
Positions open on the mapCELERON ISLAND - TRENTON CHANNEL
General / Bridges / Inspection
On August 19 and August 20, 2026, between the hours of 0800 and 1700 each day, divers will be inspecting the under water portions of the Grosse Ile Parkway (Free) Bridge, at mile 5.60 over the Detroit River. Spotters will warn inspectors of approaching vessels and will move the divers to allow vessels to pass.
Position 42-07.65N 083-10.53W
USCG Great Lakes District Local Notice to Mariners 45/2026