My brain has been severely weakened and is buckling from this weekend, but can someone analyze this AP story? It is currently the number one story. Excerpt of interest:

...Heat exceeded 2,750 degrees and caused the steel beams holding up the interchange from eastbound I-80 to eastbound Interstate 580 above to buckle and bolts holding the structure together to melt, leading to the collapse, California Department of Transportation director Will Kempton said...

Fiery Crash Collapses Bay Area Freeway

By Marcus Wohlsen, Associated Press

A gasoline tanker crashed and burst into flames near the San Francisco-Oakland Bay Bridge on Sunday, creating such intense heat that a stretch of highway melted and collapsed. Officials predicted a traffic nightmare for Bay Area commuters for weeks or months to come.

Flames shot 200 feet in the air, but the truck's driver walked away from the scene with second-degree burns. No other injuries were reported in the 3:45 a.m. crash, which officials said could have been deadly had it occurred at a busier time.

"I've never seen anything like it," Officer Trent Cross of the California Highway Patrol said of the crumpled interchange. "I'm looking at this thinking, 'Wow, no one died' — that's amazing. It's just very fortunate."

Authorities said the damage could take months to repair, and that it would cause the worst disruption for Bay Area commuters since the 1989 Loma Prieta earthquake damaged a section of the Bay Bridge itself.