Great Loop bridge planning reference

Treasure Island Causeway Bridge

Treasure Island Causeway Bridge on GIWW / Boca Ciega Baynear Treasure Island, FL; closed clearance about 21 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.

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27.76940000, -82.75430000

Planning only Drawbridge / movable Air draft concern
WaterwayGIWW / Boca Ciega Bay
Route SegmentFlorida Gulf Coast
Route VariantGulf ICW / west Florida
State / ProvinceFL
Nearest CityTreasure Island
Mile MarkerTreasure Island
Bridge TypeBascule
Source Confidencemedium

Clearance And Opening Details

Vertical Clearance Closed21.00 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: 21 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. Approach through recreational traffic. Closed/air-draft clearance: 21 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. Approach through recreational traffic.