My apologies for the Twitter link. Appears to have happened around 1:30 EDT, judging from the timestamp in the video. Seems unsurprising that Amerikkkan infrastructure is in this dire of a state (at the cost of innocent people's lives, as usual), but I'd still love to know what the hell happened here. Hopefully the early hour meant that more people weren't harmed.
Photo of the aftermath:
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whole bridge didn't fall. It hit a central support column that holds up both sides & a good chunk of it collapsed. The bridge is over a mile long so the videos make it seem like the entire bridge fell but that is only a section of it.