The Iron Bridge is a historic structure located in Shropshire, England. Completed in 1779, it was the first major bridge in the world to be made entirely of cast iron. The bridge spans the River Severn and is 30 meters long, showcasing the innovative engineering techniques of the Industrial Revolution. Designed by architect Thomas Telford, the Iron Bridge symbolizes the advancements in materials and construction methods of its time. It remains a popular tourist attraction and is recognized as a UNESCO World Heritage Site, highlighting its significance in the history of engineering and architecture.