Great Loop bridge planning reference

Trent-Severn minimum fixed bridge clearance

Trent-Severn minimum fixed bridge clearance on Trent-Severn Waterwaynear Ontario, ON; closed clearance about 20 ft. Canadian route air-draft control point.

44.35000000, -78.30000000

Fixed bridge
WaterwayTrent-Severn Waterway
Route SegmentCanadian Canals
Route VariantTrent-Severn route
State / ProvinceON
Nearest CityOntario
Mile MarkerSystem-wide
Bridge TypeMultiple fixed bridges
Source Confidencemedium

What Boaters Should Know

Trent-Severn minimum fixed bridge clearance on Trent-Severn Waterwaynear Ontario, ON; closed clearance about 20 ft. Canadian route air-draft control point.

Clearance And Opening Details

Vertical Clearance Closed20.00 ft
Vertical Clearance OpenNot verified
Horizontal ClearanceNot verified
VHF ChannelNot verified
PhoneNot verified
Last Verified2026-06-08
Verify against current water level / bridge gauge before transit.

Opening / Contact Notes

Opening Schedule
Verify Parks Canada notices and water levels before entering the system.
Operator / Contact
Not verified

Navigation And Regulatory Notes

Air Draft Notes
Closed/air-draft clearance: 20 ft. Datum/reference: Parks Canada technical data; water level dependent. Clearance band: Route-limiting / Critical
Navigation Notes
Verify Parks Canada notices and water levels before entering the system. Parks Canada technical data gives the minimum overhead fixed bridge clearance as 6.1 m / 20 ft; water levels can vary. Closed/air-draft clearance: 20 ft. Datum/reference: Parks Canada technical data; water level dependent. Clearance band: Route-limiting / Critical Verify Parks Canada notices and water levels before entering the system.
Regulatory Notes
Verify Parks Canada notices and water levels before entering the system. Parks Canada technical data gives the minimum overhead fixed bridge clearance as 6.1 m / 20 ft; water levels can vary.

Planning Considerations

Confirm your vessel air draft, current water levels, bridge signage, official charts, bridge schedules, Local Notices to Mariners, and any VHF or phone procedures before approaching this bridge. If the bridge is movable, build extra time into your route plan for opening windows, traffic, restrictions, weather, and communication delays.

Planning awareness only: Bridge information is provided for planning awareness only. Always verify current bridge status, clearance, water levels, bridge schedules, opening restrictions, Local Notices to Mariners, bridge signage, and official charts before transit. FloatPlanWizard is not a navigation authority.