🔄 Port Severn Swing Bridge

The Port Severn Swing Bridge is the final bridge on the Trent-Severn Waterway, located at Lock 45 where the Severn River enters Georgian Bay. At 16 ft closed clearance, it has the highest clearance of any swing bridge on the TSW. Operating status on this page is synced from the Parks Canada lockstation listing — Lock 45 and the bridge have both seen closures, so confirm the current listing before committing to the Georgian Bay exit.

Located at Port Severn Lock (Lock 45), the final lock on the TSW at the entrance to Georgian Bay. The lock has a lift of 12 ft. The channel below the lock leads to Georgian Bay.

Overhead power cables at Lock 45: 39 ft and 58 ft (10.9 and 17.7 m). Current between lock and bridge normally about 2 knots, stronger in spring and after heavy rains. Submerged boulders west of the public wharf SW of the lock.

Port Severn is the Georgian Bay terminus of the Trent-Severn Waterway. The community has churches, motels, hotel, liquor and beer store, post office, restaurants, and service stations. Five marinas operate near the lock. Beyond here, buoyage reverses for the Georgian Bay small-craft route to Parry Sound.