Gulf Intracoastal Waterway
The Gulf Intracoastal Waterway (GIWW) is the portion of the Intracoastal Waterway located along the Gulf Coast of the United States. It is a navigable inland waterway running approximately 1,300 mi (2,100 km) from Saint Marks, Florida, to Brownsville, Texas.
Gulf Intracoastal Waterway | |
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Leland Bowman Lock near Intracoastal City, Louisiana, on the Gulf Intracoastal Waterway | |
The route of the Gulf Intracoastal Waterway | |
Location | Gulf Coast of the United States |
Country | United States |
Specifications | |
Length | 1,300 miles (2,100 km) |
History | |
Date completed | June 18, 1949 |
Geography | |
Start point | Brownsville, Texas |
End point | Saint Marks, Florida |
Branch of | Intracoastal Waterway |
Connects to | Various |
The waterway provides a channel with a controlling depth of 12 ft (3.7 m), designed primarily for barge transportation. Although the U.S. government proposals for such a waterway were made in the early 19th century, the Gulf Intracoastal Waterway was not completed until 1949.
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