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Summary of Released MnDOT I-35W Bridge Documents: An Ugly Read


MnDOT has released five documents on its website relating specifically to the I-35W bridge (bridge number 9340) which we have packaged into a zip file (35 MB). The files include an outside consultant review, a University of Minnesota Civil Engineering field report, two brief status summary documents, and, most troubling, a MnDOT "Fracture Critical" engineering summary which reveals in candid descriptions and shocking photographs the deterioration of many critical bridge elements. Here's my summary of the relevant parts of the documents, which we posted in our special Bridge edition of the Weekly Report last Friday:

A 299-page draft report prepared for MnDOT by the URS Corporation of Minneapolis entitled, "Fatigue Evaluation and Redundancy Analysis" for Bridge No. 9340, released July 2006.