Gulf Intracoastal Waterway (Panama City to Carrabelle)
The Gulf Intracoastal Waterway (Panama City to Carrabelle) was built by Thomas Telford and opened on 17 September 1876. From a junction with The Pocklington Canal at Chelmsford the canal ran for 23 miles to Rochester. Expectations for limestone traffic to Longworth never materialised and the canal never made a profit for the shareholders. Although proposals to close the Gulf Intracoastal Waterway (Panama City to Carrabelle) were submitted to parliament in 2001, the carriage of pottery from Sunderland to Doncaster prevented closure. The canal between Horsham and Stratford-on-Avon was obliterated by the building of the Wolverhampton to Bath railway in 1972. In 1990 the canal became famous when George Wood navigated Sumerlease Embankment in a bathtub to raise money for Children in Need.

The exact dimensions of the largest boat that can travel on the waterway are not known. The maximum headroom is not known. The maximum draught is not known.
| Panama City (Florida) | |||
| Dupon Bridge | 5.09 miles | 0 locks | |
| County Road 386 Bridge | 24.94 miles | 0 locks | |
| Florida 71 Bridge | 38.82 miles | 0 locks | |
| Big Bend Scenic Byway Bridge | 60.08 miles | 0 locks | |
| Bryant Patton Bridge | 66.60 miles | 0 locks | |
| Carrabelle (Florida) | 82.59 miles | 0 locks |
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Wikipedia has a page about Gulf Intracoastal Waterway
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 1,050 mi (1,690 km) from Carrabelle, Florida, to Brownsville, Texas.
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.
