Reporting and editing: Pam Louwagie, Jane Friedmann, James Shiffer, Rhonda Prast
Online producer: Rhonda Prast
Online design editor: Jamie Hutt
Online design and programming: Dave Braunger
Additional design: Jaime Chismar
Video: Vanessa House, J. Pinkley and Regina McCombs
Photo research: Jane Friedmann and Rhonda Prast
Audio and slideshow editing: Vanessa House, Vickie Kettlewell

 

Sources: MnDOT, National Pavement Contractors Assoc., flikr.com, caringbridge.com, 35wbridgecollapse.net