sentences:  PA 345 was designated by 1973 to run from PA 82 in Loag north to PA 724 in Birdsboro.PA 345 was extended north to US 422 in Baumstown in 2008, heading west concurrent with PA 724 and replacing PA 82 between Birdsboro and Baumstown.This extension was concurrent with the truncation of the northern terminus of PA 82 from US 422 to PA 23 in Elverson due to washed out bridges along PA 82 south of Birdsboro.