America has the worlds best infrastructure safety and quality guidelines.

Those pipes are round because they support weight better that way. Were they faulty? It's hard to say what caused this.

Did, maybe. But how often were corners cut? Based on anecdotes, one can project that those guidelines were ignored quite often.

And it's extremely rare that anyone gets held accountable.

Maybe God hates IHOP.

Upvote for the car that didn't fall in, but the owner still had to leave it.

Probably not back filled properly, or ground water, or "something" but the sides were allowed to move apart, which dropped the top.

I saw a report where they said it's looking like the pipe had holes and leakage formed empty pockets along the outside, removing all support, then as you said, the sides moved apart and, boom goes the dynamite.

"Why don't we all just gather here, right on the edge of the collapse. It can't possibly collapse any further, we are all safe."

"Hey, tell Bob to come look at this. I know he's got his dumptruck and excavator on a trailer, but he could park right here too so he doesn't have to walk far."

"Damn it. I *knew* we should have gone to dim sum for breakfast!"