The arches are hinged at the footings to accommodate different loads and conditions. If you can't see it from the switchbacks in the road as you approach, look over the edge of the bridge when you cross it .
Suspension bridges are usually dramatic and monumental in scale.
Since the Roebling's invention of wire rope spanned the East River with the Brooklyn Bridge, suspension bridges have become hallmarks of large metropolitan engineering projects. Look for the cables from the towers at each end to the deck of the bridge . City Streets Masonry and Concrete bridges and culverts in New Mexico come in a variety of designs and materials. During the Depression, Federal relief programs hired or trained local artisans to build bridges in concrete and stone. The results have outlasted many more modern structures.