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


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)

Green ICW Marker Red ICW Marker

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

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

AICW Bridge and Lock Schedule (Norfolk to Miami) - Download

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