It is difficult to accurately measure and quantify cracks manually. Being near traffic is dangerous and poses a risk to inspectors.
Collins explores how drones can be used to help reduce costs and minimize risk for employees. Dependent on the bridge, traditionally inspections are performed using aerial work platforms, under-bridge inspection vehicles, ladders, rope access, or binoculars. Using UAS as an access tool can eliminate or reduce the need for lane closures and expensive equipment that requires maintenance. UAV inspection provides close detail necessary for a cost-efficient, thorough, and reliable inspection.