MARE ISLAND STRAIT
General / Bridges
NORTHERN CALIFORNIA-NAPA RIVER-MARE ISLAND DRAWBRIDGE-The lift span of the bridge is secured in the closed-to-navigation position due to a broken coupling on the main pulley motor located in the west tower. Estimated time of repair is the second week in November. When closed, the bridge provides 13 feet of vertical clearance at mean high water. Vessels that can safely pass beneath the closed bridge may continue to transit at any time. For further information contact the Coast Guard Bridge Office at [email protected].
Position 38-06.65N 122-16.48W
USCG Southwest District Local Notice to Mariners 44/2026