Great Loop bridge planning reference

Boca Grande Swing Bridge

Boca Grande Swing Bridge on GIWW / Charlotte Harbor areanear Boca Grande / Placida, FL; closed clearance about 22 ft. Low movable bridge; current/tide-sensitive pass.

26.82700000, -82.27015000

Drawbridge / movable
WaterwayGIWW / Charlotte Harbor area
Route SegmentFlorida Gulf Coast
Route VariantGulf ICW / west Florida
State / ProvinceFL
Nearest CityBoca Grande / Placida
Mile MarkerMM 34.3
Bridge TypeSwing
Source Confidencehigh

What Boaters Should Know

Boca Grande Swing Bridge on GIWW / Charlotte Harbor areanear Boca Grande / Placida, FL; closed clearance about 22 ft. Low movable bridge; current/tide-sensitive pass.

Clearance And Opening Details

Vertical Clearance Closed22.00 ft
Vertical Clearance OpenNot verified
Horizontal Clearance80.00 ft
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 with time windows; weekdays hourly/half-hour days; weekends/federal holidays every 15 minutes.
Operator / Contact
Not verified

Navigation And Regulatory Notes

Air Draft Notes
Closed/air-draft clearance: 22 ft. Datum/reference: MHW/tidal; Waterway Guide listing. Clearance band: Low / Timing-sensitive
Navigation Notes
Opens on signal with time windows; weekdays hourly/half-hour days; weekends/federal holidays every 15 minutes. Old RR trestle and strong current/shoaling noted in comments; request opening as required. Closed/air-draft clearance: 22 ft. Datum/reference: MHW/tidal; Waterway Guide listing. Clearance band: Low / Timing-sensitive Opens on signal with time windows; weekdays hourly/half-hour days; weekends/federal holidays every 15 minutes.
Regulatory Notes
Opens on signal with time windows; weekdays hourly/half-hour days; weekends/federal holidays every 15 minutes. Old RR trestle and strong current/shoaling noted in comments; request opening as required.

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.

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.