A child is born today in Los Angeles. Let’s say this is a very fortunate child in terms of health, although not very adventurous. He or she resides in the same house their entire lifetime, which lasts 90+ years. That house is also in Los Angeles.
She places her child in the bassinette, and makes an angry call to the City of Los Angeles Bureau of Street Services to complain about the sidewalk.
According to this article, by the time the sidewalk is fixed, that child could be 83 years old.
When I worked in City Hall, I was told by one of the staff that the street-tree maintenance cycle was 17 years. “Boy, that’s a long time,” I said. I guess I was spoiled.