Great Loop bridge planning reference

Dunedin Causeway Bridge

Dunedin Causeway Bridge on GIWW / St. Joseph Soundnear Dunedin, FL; closed clearance about 24 ft. Low movable bridge.

28.05950000, -82.80320000

Drawbridge / movable
WaterwayGIWW / St. Joseph Sound
Route SegmentFlorida Gulf Coast
Route VariantGulf ICW / west Florida
State / ProvinceFL
Nearest CityDunedin
Mile MarkerDunedin
Bridge TypeBascule
Source Confidencemedium

What Boaters Should Know

Dunedin Causeway Bridge on GIWW / St. Joseph Soundnear Dunedin, FL; closed clearance about 24 ft. Low movable bridge.

Clearance And Opening Details

Vertical Clearance Closed24.00 ft
Vertical Clearance OpenNot verified
Horizontal ClearanceNot verified
VHF Channel9
PhoneNot verified
Last Verified2026-06-08
Verify against current water level / bridge gauge before transit.

Opening / Contact Notes

Opening Schedule
Monitor VHF 09; verify schedule.
Operator / Contact
Not verified

Navigation And Regulatory Notes

Air Draft Notes
Closed/air-draft clearance: 24 ft. Datum/reference: Waterway Guide Gulf Coast summary. Clearance band: Low / Timing-sensitive
Navigation Notes
Monitor VHF 09; verify schedule. Important timing bridge on north Pinellas transit. Closed/air-draft clearance: 24 ft. Datum/reference: Waterway Guide Gulf Coast summary. Clearance band: Low / Timing-sensitive Monitor VHF 09; verify schedule.
Regulatory Notes
Monitor VHF 09; verify schedule. Important timing bridge on north Pinellas transit.

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.