U.S. Inland Waterways

The United States' inland waterways system -- more than 19,000 kilometers (12,000 miles) of navigable routes maintained by the U.S. Army Corps of Engineers overlaid with expansive farmlands -- is one of the United States' inherent geographic benefits and has contributed to the nation's economic success. Ongoing use of the waterway system requires the maintenance of infrastructure to meet usage demand, including dredging of ports and rivers, and the operation and maintenance of dams, levees and locks.

The Mississippi and Ohio rivers and the Illinois waterways, the busiest avenues for commercial traffic on inland waterways, all have expansive lock systems. The locks make navigating a river easier, sequestering vessels before raising or lowering the water level in a chamber in order to compensate for changes in the river's level. Most of these locks were constructed in the early 20th century, with an expected lifetime of 50 years. Seventy or 80 years later, many of these locks are still in operation. Unplanned delays due to mechanical breakdowns have been on the rise for more than a decade.

This is not a new or unknown problem, but measures to address the problem have been limited, and there is no immediate, rapid solution. A new waterways bill that is likely to be finalized soon -- the first such legislation since 2007 -- addresses some of the inefficiencies in the current system. However, the larger looming problem of insufficient funding remains. The U.S. inland waterways infrastructure is old, much-needed improvements have been delayed and the total cost of rehabilitation is expected only to rise. Failure to update and maintain the inland waterways could lead to disruptions in the supply chain and decrease the United States' competitiveness on the global export market.

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