"Engineers has estimated that fixing the country’s surface transportation infrastructure would require an investment of at least $155 billion per year, which amounts to roughly 23 percent of the government’s $666 billion budget deficit in 2017.90"

"Maritime Administrator and retired rear admiral Mark H. Buzby testified that “over the last few decades, the U.S. maritime industry has suffered losses as companies, ships, and jobs moved overseas.” The Jones Act fleet is not only shrinking, but rapidly aging. The typical economically useful life of a ship is 20 years.24 Yet three of every four U.S. container ships are more than 20 years old, and 65 percent are more than 30 years old. Excluding tankers, the ships in the Jones Act fleet currently average 30 years old, fully 11 years older than the average age of a ship in the world merchant fleet of other developed countries."

https://www.cato.org/publications/policy-analysis/jones-act-burden-america-can-no-longer-bear#infrastructure-costs