New Jersey has embraced this approach with gusto. Stewart C. Farrell, a professor of marine geology at Stockton College of New Jersey, said that since 1985 80 million cubic yards of sand had been applied on 54 of the state’s 97 miles of developed coastline: a truckload of sand for every foot of beach.
Dr. Farrell and his colleagues have calculated that the work cost more than $800 million — before adjusting for inflation.
Typically, the federal government pays 65 percent of the cost; the state and towns share the rest.
Here is a link to the book by Cornelia Dean that introduced me to this issue.
And, why not go ahead and adjust for inflation? It is quite straightforward.