Why One Shocking Collapse Shows a Topo Survey Isn’t Optional

A collapsed roadway showing severe ground movement, illustrating why a topo survey is important for detecting terrain instability

When the Hongqi Bridge in China collapsed, the world watched in disbelief. A massive bridge that opened only months earlier suddenly fell into a valley after the land beneath it shifted. Many people blamed the builders or the concrete, but the deeper lesson ran far below the surface. It showed why every major project needs […]