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Office of Naval Research - National Transportation Library

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1-2 Waterway Infrastructure and FacilitiesThe types <strong>of</strong> SSS services provided in the U.S. are strictly governed by waterway facilitydepth, type <strong>of</strong> cargo carried, and location in the water transportation network for movinggoods and people referred to as the U.S. maritime transportation system (MTS). The U.S.MTS consists <strong>of</strong> 26,000 miles <strong>of</strong> navigable inland and intracoastal waterways, including11,000 miles <strong>of</strong> commercially active inland waterway navigable channels and 2,342 miles <strong>of</strong>Great Lakes and St. Lawrence Seaway. 5 These waterways consist <strong>of</strong> 9,584 “commercialfacilities” in the Atlantic, Gulf, and Pacific coasts, Great Lakes, and Inland waterways, eachcategorized according to channel depth and usage (Cargo, Passenger service, and Unused):• A total <strong>of</strong> 5,066 <strong>of</strong> the U.S. waterway facilities are deepwater facilities, where deepwateris defined as those with greater than 12 feet in depth. (Exceptions to this classificationare the 14- to 15-foot portions <strong>of</strong> the Columbia and Snake rivers that are classified asshallow water.)• A total <strong>of</strong> 4,518 <strong>of</strong> the U.S. waterway facilities are shallow water facilities, including theentire inland waterways facilities.The geographic distribution <strong>of</strong> the nation’s 9,584 deepwater and shallow water facilities byregion shows that deepwater facilities are fairly evenly distribution among the coastal andGulf ports, with the inland waterways exclusively classified as shallow-water facilities, asoutlined below and in Figure 1. Altogether, 21 percent <strong>of</strong> the facilities are located on theAtlantic Coast, 18 percent on the Pacific Coast, 24 percent on the inland rivers, 29 percent onthe Gulf Coast, and 8 percent on the Great Lakes: Atlantic Coast - 1,473 deepwater and 587 shallow water facilities Gulf Coast - 1,606 deepwater and 1,093 shallow water facilities Pacific Coast - 1,387 deepwater and 363 shallow water facilities Great Lakes - 600 deepwater and 154 shallow water facilities Inland river system - 2,321 shallow water facilities. 65 <strong>Office</strong> <strong>of</strong> Freight Management and Operations, Freight Facts and Figures, 2007, FHWA, USDOT.6 Based on data from USACE, U.S. Waterway System – <strong>Transportation</strong> Facts, 2007. Note that there are deepwater facilities on the inland waterway system as well, but the source does not identify them.ONR SSS Final Report 9

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