27.76940000, -82.75430000
Drawbridge / movable
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
What Boaters Should Know
Treasure Island Causeway Bridge on GIWW / Boca Ciega Baynear Treasure Island, FL; closed clearance about 21 ft. Low movable bridge.
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.
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: 21 ft. Datum/reference: Waterway Guide Gulf Coast summary. Clearance band: Low / Timing-sensitive
- 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.
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.