32.05390000, -81.01430000
Drawbridge / movable
WaterwayAtlantic ICW / Wilmington River
Route SegmentAtlantic ICW
Route VariantMain ICW
State / ProvinceGA
Nearest CitySavannah
Mile MarkerMM 579.9
Bridge TypeBascule
Source Confidencemedium
What Boaters Should Know
Causton Bluff / Sam Varnedoe Bridge on Atlantic ICW / Wilmington Rivernear Savannah, GA; closed clearance about 21 ft. Low movable bridge.
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.
Opening / Contact Notes
- Opening Schedule
- Opens on signal except weekday rush windows; opens at selected times during restrictions.
- Operator / Contact
- 912-897-2511
Navigation And Regulatory Notes
- Air Draft Notes
- Closed/air-draft clearance: 21 ft. Datum/reference: Closed clearance at MHW per WG. Clearance band: Low / Timing-sensitive
- 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.
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.