Home Forums General Discussion Shot Peening Process, Intensity, Coverage I-35 W Bridge failure - Fatigue related?

Here are some updates on NTSB's investigation of the I-35W bridge collapse:
Second Update , August 22, 2007
NTSB Third Update , Sept. 5, 2007:
NTSB Chairman Testifies Before The House On Structurally Deficient Bridges, Sept 5, 2007
Fourth Update , October 23, 2007