HARRISBURG, Pa. — A major step in the multi-year Interstate 83 expansion project is happening this weekend as crews prepare to demolish the 19th St. Bridge.
PennDOT will shut down I-83 in both directions starting at 11 p.m. Saturday, reopening by 8 a.m. Sunday, as crews carry out a controlled blast to bring down the overpass. More than 100,000 vehicles use this section of I-83 daily.
Blasting crews spent the past week drilling 756 holes in the structure and loading them with varying amounts of explosives…