Gulf Intracoastal Waterway
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The Gulf Intracoastal Waterway is the portion of the Intracoastal Waterway located along the Gulf Coast of the United States. It is a navigable inland waterway running approximately 1700 kilometers (1050 mi) from Carrabelle, Florida, to Brownsville, Texas.
The waterway provides a channel with a controlling depth of 3.7 meters (12 ft), designed primarily for barge transportation. Although U.S. government proposals for such a waterway were made in the early 19th century, the Gulf Intracoastal Waterway was not completed until 1949.
EHL & WHL mileages
Locations along the Gulf Intracoastal Waterway are defined in terms of statute miles east and west of Harvey Lock, a navigation lock in the New Orleans area. The Hathaway Bridge in Panama City, Florida, for example, is at mile 284.6 EHL (East of Harvey Lock). The Queen Isabella Causeway Bridge at South Padre Island is at mile 665.1 WHL (West of Harvey Lock). The Harvey Lock chamber, located at , is considered to be mile zero.Connecting waterways
The Gulf Intracoastal Waterway crosses or meets, and in some cases is confluent with, numerous other navigable rivers and waterways. They include:
- Apalachicola River
- Mobile Bay (connecting to the Tenn-Tom Waterway)
- Pearl River
- The Rigolets
- Mississippi River-Gulf Outlet Canal
- Industrial Canal
- Lower Mississippi River
- Bayou Lafourche
- Atchafalaya River
- Vermilion River
- Calcasieu River
- Sabine River
- Neches River
- Houston Ship Channel
Ports and harbors
Notable ports on or near the Gulf Intracoastal Waterway include:- Panama City, Florida
- Pensacola, Florida
- Mobile, Alabama
- Pascagoula, Mississippi
- Gulfport, Mississippi
- New Orleans, Louisiana
- Larose, Louisiana
- Houma, Louisiana
- Morgan City, Louisiana
- Intracoastal City, Louisiana
- Lake Charles, Louisiana
- Port Arthur, Texas
- Galveston, Texas
- Texas City, Texas
- Corpus Christi, Texas
- Brownsville, Texas
See also
References
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