The American Society of Civil Engineers has given Kentucky's roads and bridges both a D grade in its annual Infrastructure Report Card for 2011.The report states that the condition of Kentucky’s bridges has deteriorated because of a lack of funding. It estimates the cost of repairing or replacing the state's structurally-deficient bridges at over a billion dollars.Further, the report cites more than forty billion dollars worth of road projects on the Kentucky Transportation Cabinet’s work list that are in need of funding..The society gave Kentucky a grade of C on its overall infrastructure, which includes school facilities, hazardous waste, drinking water and energy. US infrastructure as a whole received a grade