Fact sheet on the I35 Bridge from Minnesota Department of Transportation

• Built in 1964
• Opened to traffic in 1967
• Original cost for the bridge was $440,740 to construct the piers and $4,828,262 to construct the bridge
• Carried about 140,000 vehicles daily, including 4,760 commercial vehicles
• Scheduled for reconstruction in 2020-25
• Deck steel truss was made up of three parts: the deck, superstructure and substructure
  1,907 feet long, 14 spans
• Had been inspected annually since 1993; before that, was inspected every two years

source:http://www.dot.state.mn.us/i35wbridge/index.html