Photo: #Fractured gusset plates have been suspected as the cause of the I-35W bridge collapse, though the NTSB investigation has yet to officially determine a cause of the collapse.
Photo: #A damaged portion of the deck truss at pier 7, on the north side of the Mississippi River, viewed looking north.
Photo: #The bridge joint known as "Node U10 West" was a focal point of the NTSB's investigation into the I-35W bridge collapse.
Photo: #An aerial photo of the I-35W bridge collapse.
Photo: #In this NTSB photo, A view of the east side of the deck truss portion of the bridge, looking northwest.
Photo: #NTSB investigators recreated the layout of the I-35W bridge's center span in an effort to pinpoint the cause of the bridge's destruction.
Photo: #A collapsed portion of the I-35W bridge deck.
Photo: #A view of the bridge joint known as "Node U10 West," a focal point of the NTSB's investigation in the I-35W bridge collapse.
Larger view
Fractured gusset plates have been suspected as the cause of the I-35W bridge collapse, though the NTSB investigation has yet to officially determine a cause of the collapse. (National Transportation Safety Board)
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Minneapolis Bridge Collapse

The I-35W bridge over the Mississippi in Minneapolis collapsed during rush hour on August 1, 2007, plunging dozens of cars and their occupants into the river.

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Minneapolis Bridge Collapse

NTSB puts bridge investigative materials on Web


Minneapolis (AP) — The federal investigators looking into last summer's Minneapolis bridge collapse are putting many of their reports online.

National Transportation Safety Board Chairman Mark Rosenker said the material includes investigative reports, photos and information submitted by the parties involved in the collapse. It's available on the agency's Web site, ntsb.gov/dockets.

Rosenker said investigators are on schedule to make a final report on the cause of the collapse before the end of the year.

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