Great Loop bridge planning reference

Welch Causeway Bridge

Welch Causeway Bridge on GIWW / Madeira Beachnear Madeira Beach, FL; closed clearance about 25 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.

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27.80480000, -82.79410000

Planning only Drawbridge / movable Air draft concern
WaterwayGIWW / Madeira Beach
Route SegmentFlorida Gulf Coast
Route VariantGulf ICW / west Florida
State / ProvinceFL
Nearest CityMadeira Beach
Mile MarkerWelch Causeway
Bridge TypeBascule
Source Confidencemedium

Clearance And Opening Details

Vertical Clearance Closed25.00 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: 25 ft. Datum/reference: Waterway Guide Gulf Coast summary. Clearance band: Low / Timing-sensitive
Opening Schedule
Monitor VHF 09; verify schedule.
Operator / Contact
Not verified
Navigation Notes
Monitor VHF 09; verify schedule. Coordinate with Johns Pass/Park Blvd openings. Closed/air-draft clearance: 25 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. Coordinate with Johns Pass/Park Blvd openings.