ICW - Georgia
The minimum overhead clearance of fixed bridges over the Georgia portion of the Atlantic Intracoastal Waterway is 65 feet with a federal project depth of 12 feet.
Aids to Navigation
Charts
NOAA Charts #11507 and #11489 provide coverage of the Georgia portion of the AICW.
Chart #11507 - Beaufort River, SC to St. Simons Sound, GA covers the ICW from Mile 576.0 at the South Carolina/Georgia state line to St. Simons Sound, GA at Mile 674.0.
Chart #11489 - St. Simons Sound, GA to the Tolomato River, FL covers the ICW from Mile 674.0, St. Simons Sound to Mile 712.0 at the Georgia/Florida state line and onto the Tolomato River, FL at Mile 763.0
Buoys and Marks
Intracoastal Waterway buoys and navigational markers are like other lateral marks in the U.S. the difference are the yellow triangles or yellow squares that are added to the mark to indicate they are ICW markers.
When southbound on the Atlantic Intracoastal Waterway (Norfolk, VA to Key West, FL) or westbound on the Gulf Intracoastal Waterway (Ft. Meyers, FL to Brownsville, TX)


- “Yellow Squares are ALWAYS kept to port”
- and
- “Yellow Triangles are ALWAYS kept to starboard”
Regardless of the color of the mark!
Atlantic Intracoastal Waterway - Georgia Bridge Schedule
The following table lists the bridges; their schedules, and restrictions along the Atlantic Intracoastal Waterway (AICW) in Georgia.
This list is believed to be accurate as of January 2019. If any errors or omissions are noted, please e-mail us at with any corrections or recommendations.
Atlantic Intracoastal Waterway - Georgia |
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---|---|---|---|---|---|
Mile Marker | Bridge | Charted Vert. Clear. | Schedule | Restrictions | VHF |
579.9 | Sam Varnedoe Bascule Bridge | 21’ | Opens on Demand | M-F 0630 - 0900 and 1630 - 1830 the draw will open at 0700, 0800, and 1730 except Federal holidays. | 09 |
583.0 | Thunderbolt Bridge | 65’ | Fixed Bridge | ||
592.8 | Diamond Causeway Bridge | 65’ | Fixed Bridge | ||
674.0 | Torras Causeway Bridge | 65’ | Fixed Bridge | ||
684.0 | Jekyll Island Bridge | 65’ | Fixed Bridge |
The Georgia ICW Bridge List as well as the entire AICW Bridge List (Norfolk to Miami) can be downloaded for your personal and private use below. The ZIP files contain the schedules in Adobe (.pdf) file format:
AICW Georgia Bridge Schedule - Download