https://www.cbc.ca/news/canada/british-columbia/ironworkers-memorial-bridge-collapse-1958-1.5615447
https://www.ironworkers.ca/58-years-second-narrows-bridge-collapse-lost-lives-not-forgotten/
The Iron Bridge has heled up very well through the decades, but it just wasn't designed with future bus, truck lanes and LRT capacity in mind.
https://jfdatalinks.blogspot.com/search?q=Second+Narrows+Bridge