27.78550000, -82.78100000
Drawbridge / movable
WaterwayGIWW / Johns Pass
Route SegmentFlorida Gulf Coast
Route VariantGulf ICW / west Florida
State / ProvinceFL
Nearest CityMadeira Beach / Treasure Island
Mile MarkerJohns Pass
Bridge TypeBascule
Source Confidencemedium
What Boaters Should Know
Johns Pass Bridge on GIWW / Johns Passnear Madeira Beach / Treasure Island, FL; closed clearance about 27 ft. Movable bridge at pass.
Clearance And Opening Details
Vertical Clearance Closed27.00 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: 27 ft. Datum/reference: Waterway Guide Gulf Coast summary. Clearance band: Route-relevant
- Navigation Notes
- Monitor VHF 09; verify schedule. Current and shoaling at pass; verify local conditions. Closed/air-draft clearance: 27 ft. Datum/reference: Waterway Guide Gulf Coast summary. Clearance band: Route-relevant Monitor VHF 09; verify schedule.
- Regulatory Notes
- Monitor VHF 09; verify schedule. Current and shoaling at pass; verify local conditions.
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.