So, Why Didn't the 2009 Recovery Act Improve the Nation's Highways and Bridges?

Although the American Recovery and Reinvestment Act of 2009 provided nearly $28 billion to state governments for improving U.S. highways, the highway system saw no significant improvement: The number of structurally deficient or functionally obsolete bridges was nearly unchanged, the number of workers on highway and bridge construction did not significantly increase, and the annual value of construction for public highways barely budged.