Construction
The bridge is a double-deck configuration—westbound traffic from Kentucky to Indiana travels on the upper deck of the bridge, while eastbound traffic from Indiana into Kentucky travels on the lower deck of the bridge.
The steel used was T1 steel, which in the early 1960s was "innovative material" but is much weaker than modern steel. Classification of the bridge is “fracture critical” because if one part of the bridge should fail, the entire bridge could be at risk.
Read more about this topic: Sherman Minton Bridge
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