2 freeways closed near Bay Bridge
http://sfgate.com/cgi-bin/article.cgi?f ... PHQU46.DTL
OAKLAND -- A huge ball of fire from an exploding gasoline tanker truck caused an overpass in the MacArthur Maze in the East Bay near the Bay Bridge to collapse on top of the highway below early Sunday, virtually ensuring major traffic problems and confusion for weeks to come.
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Engineers said the concrete roadway's steel underbelly seems to have heated to a sufficient temperature to bend the metal, which then pulled the roadbed off its supports.