Great Loop bridge planning reference

Alligator River Bridge / US 64

Alligator River Bridge / US 64 on Atlantic ICW / Alligator Rivernear Columbia / East Lake, NC; closed clearance about 14 ft. Low movable bridge / weather-sensitive opening.

35.90070000, -76.01310000

Drawbridge / movable
WaterwayAtlantic ICW / Alligator River
Route SegmentAtlantic ICW
Route VariantMain ICW
State / ProvinceNC
Nearest CityColumbia / East Lake
Mile MarkerMM 84.2
Bridge TypeSwing
Source Confidencemedium

What Boaters Should Know

Alligator River Bridge / US 64 on Atlantic ICW / Alligator Rivernear Columbia / East Lake, NC; closed clearance about 14 ft. Low movable bridge / weather-sensitive opening.

Clearance And Opening Details

Vertical Clearance Closed14.00 ft
Vertical Clearance OpenNot verified
Horizontal ClearanceNot verified
VHF ChannelNot verified
Phone252-796-7261
Last Verified2026-06-08
Verify against current water level / bridge gauge before transit.

Opening / Contact Notes

Opening Schedule
Opens on signal; may not open if wind exceeds 34 knots.
Operator / Contact
252-796-7261

Navigation And Regulatory Notes

Air Draft Notes
Closed/air-draft clearance: 14 ft. Datum/reference: Closed clearance at MHW per WG. Clearance band: Route-limiting / Critical
Navigation Notes
Opens on signal; may not open if wind exceeds 34 knots. Critical bridge for Pamlico/Albemarle routing; check wind. Closed/air-draft clearance: 14 ft. Datum/reference: Closed clearance at MHW per WG. Clearance band: Route-limiting / Critical Opens on signal; may not open if wind exceeds 34 knots.
Regulatory Notes
Opens on signal; may not open if wind exceeds 34 knots. Critical bridge for Pamlico/Albemarle routing; check wind.

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.