coquilleau

A viaduct is an extended bridge-like structure, commonly composed of multiple arches or spans, designed to carry a road, railway, or aqueduct across a valley, gorge, or other low-lying land. These structures are engineered to maintain a consistent elevation over undulating terrain, thereby facilitating smoother transportation routes and overcoming natural obstacles. They differ from conventional bridges primarily in their length and the nature of the terrain they traverse, often spanning significant distances over dry land … Read more