32.23940000, -80.77830000
Fixed bridge
WaterwayAtlantic ICW
Route SegmentAtlantic ICW
Route VariantMain ICW
State / ProvinceSC
Nearest CityHilton Head / Bluffton
Mile MarkerMM 557.5
Bridge TypeFixed
Source Confidencemedium
What Boaters Should Know
Wilton J. Graves / US 278 Bridge on Atlantic ICWnear Hilton Head / Bluffton, SC; closed clearance about 65 ft. Standard fixed ICW clearance.
Clearance And Opening Details
Vertical Clearance Closed65.00 ft
Vertical Clearance OpenNot verified
Horizontal ClearanceNot verified
VHF ChannelNot verified
PhoneNot verified
Last Verified2026-06-08
Verify against current water level / bridge gauge before transit.
Opening / Contact Notes
- Opening Schedule
- Fixed.
- Operator / Contact
- Not verified
Navigation And Regulatory Notes
- Air Draft Notes
- Closed/air-draft clearance: 65 ft. Datum/reference: WG Atlantic ICW summary. Clearance band: Standard ICW 65 ft
- Navigation Notes
- Fixed. Hilton Head approach. Closed/air-draft clearance: 65 ft. Datum/reference: WG Atlantic ICW summary. Clearance band: Standard ICW 65 ft Fixed.
- Regulatory Notes
- Fixed. Hilton Head 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.