Episode 217: The I35W bridge collapse

Rush hour is bad enough. The bridge you're on collapsing as you cross it during rush hour is even worse.

Videos:

• I Survived ...: Virginia Tech and the I35W collapse
• 20/20 In An Instant: Rush Hour Disaster
• I-35W Bridge Collapse Structure and Components and Initial Failure
• 10 years later: Survivors reflect on the 35W bridge collapse

Articles and books:

• NTSB: Design errors factor in 2007 bridge collapse
• Questions Rise About Previous Knowledge Of Bridge
• Hopes Dim in Minneapolis for Survivors
• Park board approves site for I-35W bridge memorial
• Hundreds turn out to dedication of 35W bridge memorial
• NTSB report on the I35W bridge collapse