▲ | sshine 7 hours ago | |
> Imagine bridges or houses were built like that. Bridge building is a lot more conservative when it comes to taking risk in the construction, but that is how we build bridges and lots of bridges collapse because of similar causes:
An average of 128 bridges collapse annually in the United States. More than 17,000 bridges in America are considered "fracture critical" (vulnerable to collapse from a single impact). |