10 bridges that transformed transportation and engineering

10 bridges that transformed transportation and engineering

Bridges do much more than carry people from one side of an obstacle to another. The best ones have opened trade routes, connected cities, accelerated the construction of railways and roads, and introduced engineering techniques that changed what could be built afterward. From a cast-iron arch in the birthplace of the Industrial Revolution to suspension bridges spanning nearly 2 kilometers, these 10 structures stand out for their impact on transp…