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St. Paul, Minn.

Cause of the collapse

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Pieces of the puzzle
Pieces of the collapsed I-35W bridge are being laid out and studied at a site along the Mississippi River called the Bohemian Flats.
MPR Photo/Jim Bickal
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Pieces of the puzzle
Pieces of the collapsed I-35W bridge are being laid out and studied at a site along the Mississippi River called the Bohemian Flats.
MPR Photo/Jim Bickal