"On toda?s edition of Dakota Midday, host Paul Guggenheimer is first joined by Darin Bergquist, who was on the phone from Pierre. Bergquist is the Secretary of the South Dakota Department of Transportation. Ken Goeden also joined in on the conversation. Goeden is the Chief Bridge Engineer for the South Dakota Department of Transportation. I4s just over a year since the I-35W Bridge collapse in Minneapolis. They talked about South Dakot?s aging bridges and what can be learned from what happened to our neighbor to the east.