27.43610000, -82.68940000
Drawbridge / movable
WaterwayGIWW
Route SegmentFlorida Gulf Coast
Route VariantGulf ICW / west Florida
State / ProvinceFL
Nearest CityLongboat Key
Mile MarkerMM 73.6 per WG summary
Bridge TypeBascule
Source Confidencemedium
What Boaters Should Know
Longboat Pass / SR 789 Bridge on GIWWnear Longboat Key, FL; closed clearance about 17 ft. Low movable bridge.
Clearance And Opening Details
Vertical Clearance Closed17.00 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
- Opens on signal.
- Operator / Contact
- Not verified
Navigation And Regulatory Notes
- Air Draft Notes
- Closed/air-draft clearance: 17 ft. Datum/reference: MHW/tidal; Waterway Guide Gulf Coast summary. Clearance band: Route-limiting / Critical
- Navigation Notes
- Opens on signal. Bridge at pass with current; verify tide/current before approach. Closed/air-draft clearance: 17 ft. Datum/reference: MHW/tidal; Waterway Guide Gulf Coast summary. Clearance band: Route-limiting / Critical Opens on signal.
- Regulatory Notes
- Opens on signal. Bridge at pass with current; verify tide/current before approach.
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.