Drawbridge Operation Regulation; Black River, Port Huron, MI

The Coast Guard is modifying the operating schedule that governs the Military Street Bridge, mile 0.33, the Seventh Street Bridge, mile 0.50, the Tenth Street Bridge, mile 0.94, and the Canadian National Railroad Bridge, mile 1.56, across the Black River at Port Huron, MI. This rule will modify the operating schedules of the bridges by expanding winter hours, and also modifies the operating schedule of all City of Port Huron drawbridges.