Aesthetic, light, and strong, suspension bridges can span distances from 2,000 to 7,000 feet—far longer than any other kind of bridge. They also tend to be the most expensive to build.

Pro-Union Republicans Don’t Get Trump’s Real Appeal In November 1964 a crowd of 5,000 attended the opening of the Verrazano Narrows Bridge, then the longest suspension bridge in the world.

The cable-stayed bridge, like the suspension bridge, supports the roadway with massive steel cables, but in a different way. The cables run directly from the roadway up to a tower, forming a ...