The 1960s and 1970s were a golden age of infrastructure development in the U.S., with the expansion of the interstate system and widespread construction of new water treatment, wastewater and flood control systems reflecting national priorities in public health and national defense. But infrastructure requires maintenance, and, eventually, it has to be replaced.
That hasn’t been happening in many parts of the country. Increasingly, extreme heat and storms are putting roads, bridges, water systems and other infrastructure under stress.
