Typically, highway bridges have about 50 years. But over in England, they have iron bridges approaching 250 years. In France, there are Roman aqueducts that are approaching 2,000 years old. So a bridge can last a very long time if it's built properly in the first place and then maintained properly.
Wikipedia gets a lot of things wrong.
Irony is a clear consciousness of an eternal agility, of the infinitely abundant chaos.
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