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.

Evaluation of the Transportation Effects of the I-35W Bridge Collapse

The Nexus group webpage bringing together our ongoing and completed research on the I-35W Bridge collapse is available here. Evaluation of the Transportation Effects of the I-35W Collapse
Note in particular, several reports (links near the bottom of the page) which document the effects of the bridge collapse, reproduced here:

Zhu, S, D. Levinson, H. Liu, and K. Harder (2008) The traffic and behavioral effects of the I-35W Mississippi River bridge collapse (under review)

Xie, F. and D. Levinson (2008) Evaluating the Effects of I-35W Bridge Collapse on Road-Users in the Twin Cities Metropolitan Region (under review)

He, Xiaozheng, Saif Jabari, and Henry X. Liu (2008) Modeling Day-to-day Trip Choice Evolution under Network Disruption (under review)