A decade ago a fuel-tanker truck crashed on a freeway overpass in Oakland, and the ensuing fire softened enough steel for the overpass to collapse:

https://www.nytimes.com/2007/04/30/us/30collapse.html

The overpass was reconstructed and I-580 highway reopened after 26 days:

https://www.sfgate.com/bayarea/article/A-MAZE-ING-His-reputa...