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Intracoastal Waterway is a 4,800 km (3,000 mile) long recreational and commercial waterway along the Atlantic and Gulf coasts of the United States. Some lengths of the ICW are natural and others are manmade.

The creation of the Intracoastal Waterway was first authorized by the United States Congress in 1919, and is maintained by the Army Corps of Engineers.

The waterway consists of two non-contiguous segments: the Gulf Intracoastal Waterway, extending from Brownsville, Texas to Carrabelle, Florida, and the Atlantic Intracoastal Waterway, extending from Key West, Florida to Boston, Massachusetts. The two segments were originally intended to be connected via the Cross-Florida Barge Canal across northern Florida, but this was never completed due to environmental concerns.

1 Waterways used for and bridges over the Atlantic Intracoastal Waterway

1.1 Florida

• Florida Bay
• Baker Cut (manmade)
• Buttonwood Sound
• Grouper Creek
• Tarpon Basin
• Dusenberg Creek
• Blackwater Sound
• Jewfish Creek
  • Jewfish Creek Bridge ( US 1 ( SR 5 ))
• Barnes Sound
• Little Card Sound
  • Card Sound Bridge
• Card Sound
• Biscayne BayDon't confuse it with the European Bay of Biscay. Biscayne Bay is a bay located on the Atlantic coast of south Florida, between Miami Beach on the barrier islands, and Miami on the mainland. The bay is home to Biscayne National Park.
  • Rickenbacker Causeway
  • Dodge Island Bridge ( SR 886 )
  • MacArthur Causeway ( SR A1ACurrent route Most of SR A1A runs along the Atlantic Ocean, with sections from Key West at the southern tip of Florida, all the way to Fernandina Beach, just south of Georgia. It is the main road through most oceanfront towns. The number is rather unique;)
  • Venetian Causeway
  • Julia Tuttle Causeway ( I-195Interstate 195 is the designation for several interstate highway loop, spur, or bypass routes associated with Interstate 95, which spans the east coast of the United States. Maine Interstate 195 in Maine runs from the Maine Turnpike in Saco to Maine State ( SR 112 ))
  • North Bay Causeway ( SR 934 )
  • Broad Causeway ( SR 922 )
• Biscayne Creek
  • Sunny Isles Causeway ( SR 826 )
• Dumfoundling Bay
• manmade canal
  • William Lehman Causeway ( SR 856 )
  • Hallandale Beach Bridge ( SR 858 )
  • SR 820
  • SR 822
  • SR A1ACurrent route Most of SR A1A runs along the Atlantic Ocean, with sections from Key West at the southern tip of Florida, all the way to Fernandina Beach, just south of Georgia. It is the main road through most oceanfront towns. The number is rather unique;
• Stranahan River
  • 17th Street Causeway ( SR A1ACurrent route Most of SR A1A runs along the Atlantic Ocean, with sections from Key West at the southern tip of Florida, all the way to Fernandina Beach, just south of Georgia. It is the main road through most oceanfront towns. The number is rather unique;)
• New River
• New River Sound
  • SR 842
• Middle River
• manmade canal
  • SR 838
  • SR 816
  • SR 870
  • SR 814
  • SR 844
• Hillsboro River
  • SR 810
• manmade canal
  • El Camino Real
• Lake Boca Raton
  • Palmetto Park Road
• manmade canal?
• Lake Wyman
• Lake Rogers
  • SR 800
• manmade canal
  • Linton Boulevard
  • SR 806
  • Northeast 8th Street
  • Southeast 15th Avenue
  • SR 804
• Lake Worth
  • Ocean Avenue
  • SR 802
  • Southern Boulevard Bridge ( US 98United States Highway 98 is an east-west United States highway that runs from southern Florida to western Mississippi. Termini As of 2004, the highway's eastern terminus is Palm Beach, Florida. Its western terminus is Washington, Mississippi at U. Highway ( SR 80 / SR 700 ))
  • Royal Palm Bridge ( SR 704 )
  • Flagler Memorial Bridge ( SR A1ACurrent route Most of SR A1A runs along the Atlantic Ocean, with sections from Key West at the southern tip of Florida, all the way to Fernandina Beach, just south of Georgia. It is the main road through most oceanfront towns. The number is rather unique;)
  • Riviera Beach Bridge ( SR A1ACurrent route Most of SR A1A runs along the Atlantic Ocean, with sections from Key West at the southern tip of Florida, all the way to Fernandina Beach, just south of Georgia. It is the main road through most oceanfront towns. The number is rather unique;)
• Lake Worth Creek
  • US 1 ( SR 5 )
  • SR 786
  • Donald Ross Road
  • SR 706
• Loxahatchee River
  • US 1 ( SR 5 )
• Jupiter Sound
  • CR 707
• Hobe Sound
• Jupiter Narrows
  • CR 707
• Peck Lake
• manmade canal
• Great Pocket
• Indian River (Florida)
  • SR A1A
  • Frank A. Wacha Bridge ( SR 732 )
  • SR A1A
  • North Beach Causeway ( SR A1A)
  • SR 656
  • SR 60
  • Wabasso Causeway ( CR 510 )
  • Melbourne Causeway ( US 192 ( SR 500 ))
  • Eau Gallie Bridge ( SR 518 )
  • Pineda Causeway ( SR 404 )
  • Humphrey Bridge ( SR 520 )
  • Bennett Causeway ( SR 528)
  • Nasa Parkway West Causeway
  • Titusville Causeway
  • U.S. Government Railroad
• Haulover Canal (manmade)
  • Former SR 3
• Mosquito Lagoon
• Indian River North
  • South Causeway ( SR A1A)
  • North Causeway ( SR 44 )
• Ponce de Leon Cut (manmade)
• Halifax River
  • SR A1A
  • South Bridge
  • Carlton Blank Bridge ( US 92 ( SR 600 ))
  • Fairview Main Street Bridge
  • Seabreeze Bridge ( SR 430 )
  • SR 40
• Halifax Creek
• Smith Creek
  • Knox Memorial Bridge
  • SR 100
• manmade canal
• Fox Cut (manmade)
• manmade canal
  • Palm Coast Parkway
• Matanzas River
  • SR 206
  • SR 312
  • Bridge of Lions ( SR A1A)
• Tolomato River
  • Vilano Beach Bridge ( SR A1A)
• manmade canal
• Tolomato River
• manmade canal
  • Palm Valley Bridge ([{St. Johns County, Florida Road 210|SR 210]])
• Pablo Creek
  • SR 202
  • McCormick Bridge ( US 90 ( SR 212 )
  • SR 10
• Sisters Creek
  • SR 105
• Gunnison Cut (manmade)
• Sawpit Creek
• manmade canal
• South Amelia River
• manmade canal
• Kingsley Creek
  • SR A1A/ SR 200
• Amelia River
• Cumberland Sound Florida/ Georgia state line