Inland Water Transportation NAICS 483211, 483212
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Industry Summary
The 612 inland water transportation providers in the US transport freight and/or passengers on lakes, rivers, or intracoastal waterways, except for the Great Lakes System. Freight transportation accounts for 93% of industry sales; passenger transportation accounts for 7%. Freight transport includes dry bulk; bulk liquids and gases; automobiles and light trucks; boxed, or palletized goods; waste; and livestock.
Vulnerability to Weather or River Conditions
Marine transportation is vulnerable to adverse weather or river conditions, which can delay, divert, or postpone travel and increase operating costs.
Aging Infrastructure
The US inland waterway system is aging and in desperate need of repair.
Recent Developments
Sep 29, 2025 - Inland Waterways Pick Up the Slack in Trade War
- So far in 2025, US grain exports to China have dropped 57%, a sharp hit that highlights how global trade shifts ripple through domestic supply chains. The inland waterways system, especially the Mississippi River, plays a critical role in moving these exports and other key goods efficiently. In 2023, about 449 million short tons of cargo traveled US rivers and canals, including 264 million short tons of domestic shipments and 194.2 million short tons tied to imports and exports, per the US Army Corps of Engineers. With fewer exports going to China, the waterways are now redirecting more cargo to alternative markets, showing their flexibility but also their importance in keeping goods flowing. From coal and chemicals to agricultural products, inland waterways quietly underpin both domestic industries and international commerce even as US trade patterns constantly shift.
- Revenue for inland water transportation companies climbed 5.8% in the fourth quarter of 2024, according to the US Census Bureau, reaching $2.4 billion in an industry that is steadily on the upswing. High demand for domestic energy and agricultural exports increased shipping volumes toward the end of last year, although US tariff policy could upend that progress during the second half of 2025. Revenue also increased in Q4 due to higher barge freight rates thanks to inflation and higher fuel and labor costs. Drought conditions across US waterways improved during the year, raising water levels and increasing volume and regularity in inland shipping. Inland water freight companies also benefit from a driver shortage in the trucking industry, which has some companies looking for alternatives to ship commodities, including freight barges.
- Containership arrivals at the Port of Los Angeles and the Port of Long Beach, which together handle one-third of US container imports, fell 17% in early May 2025 amid the off-again, on-again Trump tariff policy. Port officials said the ships that did arrive were carrying less cargo than normal, which ripples across the supply chain in less hours for dockworkers and warehouse employees, and less cargo for truckers to haul. Nearby restaurants and businesses also see depressed sales when the port is not busy. (Port of LA officials say every four containers entering the port supports one job nationwide.) According to the International Longshore and Warehouse Union, the lull is causing full-time dockworkers to cut their working days to only three or four a week, while part timers are essentially idle. Port officials largely blame US-China trade tensions that make cargo unaffordable and contribute to economic uncertainty.
- An analysis of US ports by World Bank Group and S&P Global found only eight US ports rank in the top 100 of the world’s most efficient water entryways. The port of Charleston, South Carolina was the country’s most efficient, but still ranked at a somewhat lowly 52nd place. US port inefficiency is caused by a lack of automation in data systems and cargo equipment, resulting in longer wait times to process imports and exports. On an efficiency scale of 1 to 10, US ports scored an average of 3.7, while other nations averaged 7.9. Automation is critical to modern port operations, but such upgrades may not occur soon. The US averted a strike by the International Longshoremen’s Association in 2024 that would have crippled East Coast and Gulf ports by raising pay almost 60%, but the issue of automation was kicked down the road into 2025.
Industry Revenue
Inland Water Transportation
Industry Structure
Industry size & Structure
The average inland water freight transportation provider employs more than 45 workers and generates about $22 million annually, while the average inland water passenger transportation provider employs about 11 workers and generates about $2.3 million annually.
- The inland water freight transportation industry consists of about 340 firms that employ about 16,230 workers and generate about $7.6 billion annually, while the inland water passenger transportation industry consists of about 275 firms that employ about 3,225 workers and generate about $640 million annually.
- The industries are highly concentrated; the top 50 inland water freight transportation providers account for 94% of category revenue. The top 50 inland water passenger transportation providers account for almost 88% of category revenue.
- Large firms include Kirby, American Commercial Barge Line (emerging from bankruptcy), and Ingram Marine Group. Large refining and petrochemical companies own and operate captive fleets.
- The US has 25,000 miles of inland, intracoastal and coastal waterways that are maintained by the US Army Corps of Engineers, of which about 11,000 are fuel-taxed inland waterways. Inland waterways are composed of interconnected rivers and canals that are shared by 38 states and serve 635 shallow draft ports. The Illinois Waterway and Mississippi River are the major waterways that are responsible for moving agricultural and farm products through barges.
- The Mississippi River and its tributaries and the Gulf Intracoastal Waterway connect Gulf Coast ports, such as Mobile, New Orleans, Baton Rouge, Houston, and Corpus Christi, with major inland ports, including Memphis, St. Louis, Chicago, Minneapolis, Cincinnati, and Pittsburgh, according to the US Army Corps of Engineers. The Mississippi River from Baton Rouge to the Gulf of Mexico allows ocean shipping to connect with the barge traffic, making this segment vital to both domestic and foreign trade. In the Pacific Northwest, the Columbia-Snake River System allows navigation 465 miles inland to Lewiston, Idaho.
- Inland water transportation is critical to the agriculture and energy sectors; 60% of grain exports are moved by barge, 22% of domestic petroleum and petroleum products, and 20% of coal used to generate electricity, according to the US Army Corps of Engineers (USACE).
Industry Forecast
Industry Forecast
Inland Water Transportation Industry Growth
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