The Linn Cove Viaduct hugs the face of Grandfather Mountain and is recognized internationally as an engineering marvel. It is a 1,243 feet long, concrete segmental bridge which snakes around Grandfather Mountain in western North Carolina.
An interesting view of the configuration below concrete and steel bridges ….
Bridges of various kinds are used to cross James River in Richmond, Virginia. Here is a combined, underside perspective of a concrete bridge and a steel one.