578 million tons valued at $220 billion were shipped on the fuel-taxed portion of our inland waterways system in 2017. Much of that tonnage travels through some of the 219 locks at 176 sites on the inland waterways system.
The average age of these locks is over 60 years, and 59% of the locks are over 50-year-old design life. 70% of America's locks have exceeded their intended design life.
$16 in annual net economic benefits to the nation are generated by the Corps of Engineers’ Civil Works Mission for every $1 expended.
(Source: U.S. Army Corps of Engineers)