How Bridge Expansion Joint Technology Has Evolved?
Bridges are the lifelines of our transportation networks—quietly bearing the weight of vehicles, resisting the elements, and adapting to structural changes beneath their surfaces. Among the vital yet often overlooked components of a bridge is the expansion joint—a device that absorbs movements caused by temperature fluctuations, traffic loads, seismic activity, and more. As infrastructure challenges grow and design expectations rise, the evolution of bridge expansion-joint technology has become critical. In this article, we’ll explore how Bridge Expansion Joint technology has developed over time—moving from simple gap designs to modular, sensor-equipped systems—and consider what that means for the durability, safety, and usability of bridges.
