Bridging the Mississippi with Bridge Information Modeling

By Ivan Liu, Senior Bridge Engineer & Jerry Pfuntner, Southeast Region Technical Director, COWI

The Third Avenue Bridge in Minneapolis is an iconic early 1900s road crossing over the Mississippi River. It is one of 24 bridges of prominent historic and architectural significance that the Minnesota Department of Transportation (MnDOT) has selected for long-term preservation.
At 102 years old, the bridge was showing signs of concrete distress, concrete cracking, and corrosion damage. As …
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