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35W bridge collapse in Minneapolis

Why did the bridge collapse?

tangled mess and cars at angles along collapsed bridge
Courtesy Eric Brandt

On August 1, 2007 the Interstate Highway 35W bridge going over the Mississippi River collapsed during afternoon rush hour. This tragic story is still developing but we will be posting resources and information in the coming days to provide a scientific perspective on this remarkable disaster.

When did it happen?
Traffic data tells the story.
graph
Recovery technology:
How will they detect
the damage?
under water scans
Fact sheet
under the bridge before collapse
Where did it happen? Map of the 35W bridge area
maps

Do you have thoughts on
the bridge collapse?

We want to hear what you're thinking and feeling. people thinking