Authorities say a tractor-trailer traveling eastbound on Interstate 78 in Upper Saucon slammed into the support system for the Route 309 overpass around 4:45 a.m. Thursday. The truck then burst into flames, burning part of the bridge, median and the bridge support.
I-78 was closed in both directions in the area for several hours, while the Route 309 overpass onto Route 145 was also temporarily shut down as crews checked the structural stability of the bridge.
The name of the deceased person has not been disclosed. It did not appear that any other vehicles were involved in the accident.
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