Great Loop bridge planning reference

Longboat Pass / SR 789 Bridge

Longboat Pass / SR 789 Bridge on GIWWnear Longboat Key, FL; closed clearance about 17 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

27.43610000, -82.68940000

Planning only Drawbridge / movable Air draft concern
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

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.

Planning Notes

Air Draft Notes
Closed/air-draft clearance: 17 ft. Datum/reference: MHW/tidal; Waterway Guide Gulf Coast summary. Clearance band: Route-limiting / Critical
Opening Schedule
Opens on signal.
Operator / Contact
Not verified
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.