For any non Americans, the largest interstates are one or two digits, divisible by 5. This particular collapse occurred in the Philadelphia metropolitan area.
Makes me wonder when the last time that bridge was inspected. Glad to hear that no one was injured.
Article that doesn’t have https://6abc.com/interstate-95-collapse-i-95-fire-philly-overpass-tanker/13368736/
A fire under a low bridge like that will weaken the steel structure and cause it to bend and break. It wouldn’t matter if it was brand new or 50 years old.
No amount of bridge inspection would help for a sustained chemical fire under the bridge.