Infrasense recently evaluated the lower flange thicknesses of precast concrete box girders carrying Potter Hill Road and Airport Connector Road bridge decks in Hopkinton and Warwick, Rhode Island. The purpose of each survey was to determine whether the flange thicknesses were consistent with the design plans for each box girder. Each survey deployed ground penetrating radar (GPR) from the underside of the bridge. The Potter Hill Road bridge crosses the Pawtucket River, requiring a motorized boat to access t
Source: NDT
