Infrasense recently evaluated the condition of 12 bridge decks located in DuPage County, Illinois. The deck evaluations were carried out using vehicle-based ground penetrating radar (GPR) and high-resolution video (HRV) equipment operated at driving speeds. The GPR method was carried out according to ASTM specification D6087-08(2015). Supplementary to the topside surveys, visual underside distress surveys were also performed to get a more complete picture of the deck conditions.
Following the field surve
Source: NDT