Infrasense recently completed various non-destructive tests on a 1000-ft long bridge carrying Interstate-90 near Alberton, Montana. One of the testing methods used was ground penetrating radar (GPR), which provides maps of rebar depth and rebar level deterioration. Another method, infrared thermography (IR), was used in conjunction with a high-resolution video feed to quantify and map subsurface delaminations, patching, and spalling.

The surveys were all performed from a single vehicle, implementing a se
Source: NDT