In service for about 140 years and it had been closed for 7 months for repairs. it has been reopened for 4 days before it failed. They hired a clock company or something to do the repairs and even in the best scenario of xompetent repair I'm not sure the people should have been out there pushing the Bridge to it's limit. It's just an old bridge they've repair several times over the year, including major damage in a 2001 earthquake.

Most of this data is available in the article you didn't read, But I also looked up a few more details because you know Google is easy if you use it.