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.

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.

← Back to Bridge Library

28.05950000, -82.80320000

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

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.

Planning Notes

Air Draft Notes
Closed/air-draft clearance: 24 ft. Datum/reference: Waterway Guide Gulf Coast summary. Clearance band: Low / Timing-sensitive
Opening Schedule
Monitor VHF 09; verify schedule.
Operator / Contact
Not verified
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.