If your think about it it is all F***ed . . .
Steel rusts or corrodes and concrete loses its bonded integrity over about 100 years. Thus railroads, overpasses, freeways, skyscrapers street lamps, power-lines and generators . . . Almost everything is made using steel or concrete.
A simple search will show how structurally unstable thousands of America dams and dikes that protect sea walls, ports, airports, power-stations, bridges. Please take a look at the lengths they go to to keep the Empire State Building functioning ...
It is like building a house; the upfront costs are huge, then there is virtually no maintenance costs. But slowly upkeep costs become so huge it is more efficient to rip the house down and build a brand new home there. America has had the benefit of low maintenance costs for many decades now the repair bills are just going to get larger and more complex ! ! !
Sorry but someone has to pay for all this upkeep; apologies : )
/ hugz ; )