Waterways forming and crossings of the Gulf Intracoastal Waterway

This is a list of waterways that form the Gulf Intracoastal Waterway and crossings (bridges, tunnels and ferries) across it. The list runs from west to east (Brownsville, Texas to Carrabelle, Florida), in order of decreasing mile markers to Harvey, Louisiana and increasing after Harvey.

Louisiana

Sabine River
Manmade canal
- Gum Cove Ferry
- Ellender Bridge (LA 27)
Calcasieu River
Manmade canal
- Black Bayou Pontoon Bridge (LA 384)
- Grand Lake Pontoon Bridge (LA 384)
- Gibbstown Bridge (LA 27)
- Forked Island Bridge (LA 82)
- Louisa Bridge (LA 319)
- Ferry to Cote Blanche Island
- LA 317 bridge at North Bend
Atchafalaya River
Bayou Boeuf
Bayou Chene
Bayou Black
Bayou Cocodrie
Lake Cocodrie
Manmade canal
Bayou Dularge
- Bayou Dularge Bridge (LA 315)
Manmade canal
- Railroad bridge
- Houma Tunnel (LA 3040)
- East Main Street Bridge (LA 24 eastbound)
- East Park Avenue Bridge (LA 24 westbound)
- LA 3087 bridge
- LA 316 bridge
Larose-Bourg Cutoff (manmade)
- West Larose Bridge (LA 1)
Manmade canal
- LA 308 bridge
Bayou Barataria
- LA 3134 bridge
Harvey Canal (manmade)
- Lapalco Boulevard Bridge
- Harvey Tunnel and bridge (U.S. Highway 90 Business)
- Harvey Canal Bridge (LA 18)
Mississippi River
- Jackson Avenue-Gretna Ferry
- Crescent City Connection (U.S. Highway 90 Business)
- Canal Street Ferry
Industrial Canal (manmade)
- St. Claude Avenue Bridge (LA 46)
- Claiborne Avenue Bridge (LA 39)
- Florida Avenue Bridge (road and railroad)
Mississippi River-Gulf Outlet Canal (manmade)
- Paris Road Bridge (LA 47)
Manmade canal
Lake Borgne