PIERRE, (KCCR) — The South Dakota Transportation Commission received an update Thursday on the status of the over 18-hundred bridge structures in the state. Bridge Engineer Steve Johnson says the state uses a simple matrix to determine bridge condition…
A scale of one through nine is used to show what their condition is. Officials are looking at now the eventual replacement of the I-90 bridge at Chamberlain…
That bridge had repairs made just a few years ago due to the materials and welding gas used…
The average age of South Dakota’s bridges is 47 years old.
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