A 400-ft section of the old U.S. 421 Milton-Madison Bridge was demolished using controlled explosives. This was the third section of the bridge to be demolished. The remaining 600-ft section of the 2,427-ft-long bridge is expected to be removed later this month. For a look at the demolition, click here.
Once the old truss is completely removed, the original piers will be widened to accommodate the new 40-ft-wide bridge which is currently on temporary piers. The final step comes later this year, when the new bridge will be slid onto the renovated original piers.
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