Great Loop bridge planning reference

Causton Bluff / Sam Varnedoe Bridge

Causton Bluff / Sam Varnedoe Bridge on Atlantic ICW / Wilmington Rivernear Savannah, GA; closed clearance about 21 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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32.05390000, -81.01430000

Planning only Drawbridge / movable Air draft concern
WaterwayAtlantic ICW / Wilmington River
Route SegmentAtlantic ICW
Route VariantMain ICW
State / ProvinceGA
Nearest CitySavannah
Mile MarkerMM 579.9
Bridge TypeBascule
Source Confidencemedium

Clearance And Opening Details

Vertical Clearance Closed21.00 ft
Vertical Clearance OpenNot verified
Horizontal ClearanceNot verified
VHF ChannelNot verified
Phone912-897-2511
Last Verified2026-06-08
Verify against current water level / bridge gauge before transit.

Planning Notes

Air Draft Notes
Closed/air-draft clearance: 21 ft. Datum/reference: Closed clearance at MHW per WG. Clearance band: Low / Timing-sensitive
Opening Schedule
Opens on signal except weekday rush windows; opens at selected times during restrictions.
Operator / Contact
912-897-2511
Navigation Notes
Opens on signal except weekday rush windows; opens at selected times during restrictions. WG notes clearance may be higher than charted; confirm before approach. Closed/air-draft clearance: 21 ft. Datum/reference: Closed clearance at MHW per WG. Clearance band: Low / Timing-sensitive Opens on signal except weekday rush windows; opens at selected times during restrictions.
Regulatory Notes
Opens on signal except weekday rush windows; opens at selected times during restrictions. WG notes clearance may be higher than charted; confirm before approach.