Bridges are usually inspected manually for defects, with someone taking notes of damage and the locations of cracks, spalls and delaminations. They must be extremely thorough. New applications create a 3D representation of the targeted bridge, saving time and enabling the recording of  location-specific information of problems. https://www.rdmag.com/article/2018/12/drones-3d-app-could-improve-inspections-aging-bridges Read More