America’s Aging Infrastructure Gets C-Minus On Its Report Card The American Society of Civil Engineers gave us a C- on our infrastructure report card with Aviation (D+), Bridges (C), Dams (D), Drinking Water (C-), Hazardous Waste (D+), Inland Waterways (D+), Public Parks (D+), Ports (B-), Rail (B), Roads (D), Transit (D-), Wastewater (D+) and Energy (C-).