In July of 2018, Infrasense mobilized a two-man team to perform a ground coupled GPR survey of the road surface on a stone arch bridge in Orange, CT. With the help of a traffic control unit and a local police officer, the condition survey was carried out during overnight hours with minimal disruption to traffic.

The survey implemented a ground coupled 900-MHz antenna and SIR-4000 control unit manufactured by GSSI, Inc. of Nashua, NH. The antenna was maneuvered across the roadway surface of the bridge in
Source: NDT