The I-35W Bridge Collapse, Ten Years On

August 1 marks the tenth anniversary of the tragic and shocking collapse of the I-35W Mississippi River Bridge in Minneapolis.

Around the fifth anniversary, I did an 8-part blog series on the subject, which is worth re-upping:


Motivated by the collapse, we conducted a number of inter-related studies, powered empirically by traffic and GPS data collected before and after the bridge reopening:

The nice thing from a scientific perspective was the ability to use the GPS data collected before and after the bridge reopening for other studies as well, the data comprised part of four of my student’s dissertations, and several from Henry Liu’s students.


Another thing to note, from a career perspective, was that this research agenda was an unanticipated turn. Though I had done some empirical route choice studies before hand, and so was primed to take this direction, I was moving more into the transport and land use and network evolution realm. If you had asked me on July 31, 2007 what I would start working on on August 2, 2007, this was not it.