Biden's battle to rebuild America's crumbling infrastructure The President's vast spending plans face a bumpy ride from bitter opponents, but could be key to delivering an economic boom 1 June 2021 • 6:00am C minus: that is the near-failing grade handed to America’s decaying infrastructure by its top engineers after decades of “chronic underinvestment”. A sweeping modernisation of its energy supply, roads, bridges and airports were on the long shopping list of the American Society of Civil Engineers’ four-yearly infrastructure report card in March. It estimates an extra $2.6 trillion of spending over the next 10 years is needed to boost it up to a solid B grade - a 77pc increase.