As one whisks by the seemingly endless rows of orange barrels on US highways and bridges this summer, it is quite apparent that infrastructure spending is alive and well.Recall that the IIJA (Infrastructure Investment and Jobs Act) was passed at the end of 2021 with a price tag of $1.2 trillion over a 5-year period. Of this amount,$300B was specifically earmarked for roads and bridges.The White House website, which chronicles the progress of the spending, reports that $454B has been awarded and is in route ...