Engineering Failures – Florida University Overpass Collapse 2018

The Florida International University pedestrian bridge collapse occurred on March 15, 2018, when a 175-foot-long (53 m) section of the FIU-Sweetwater University City Pedestrian Bridge collapsed while under construction. The collapse resulted in six deaths (one worker and five motorists), ten injuries (six serious and four minor), and eight vehicles being crushed underneath.

Cause:  Faulty design where strength was overestimated.

https://en.wikipedia.org/wiki/Florida_International_University_pedestrian_bridge_collapse