> Work to shore up the foundation of the bridge was being carried out at the time of the collapse Seems like a more plausible explanation on the face of things

> Work to shore up the foundation of the bridge was being carried out at the time of the collapse Seems like a more plausible explanation on the face of things. Lots of highly publicized incidents in the US of fatal bridge and overpass incidents due to construction. While I assume these are overseen by an engineer, there are a lot of things out of their control that can go wrong when people are actively using the structure under maintenance.