The NBI inspection ratings use the lowest score out of three main components of a bridge for the overall rating: the deck, the substructure and the superstructure. If a bridge's lowest score is ...

PennDOT’s appointed contractor, IEW Construction Group, Inc., will spearhead essential repairs encompassing bridge decks, superstructure components, and substructures as required. These ...

"The overall condition of a bridge is determined by the lowest rating among its key components: the deck (the surface where vehicles travel), the superstructure (which includes elements like the ...