A structure of considerable magnitude, usually with arches or supported on trestles, for carrying a road, as a railroad, high above the ground or water; a bridge; especially, one for crossing a valley or a gorge. Cf. Trestlework.
An extended bridge of many spans, mainly over dry ground. Usually consists of alternate towers and open spaces or bays.
long thin structure like a bridge set on a series of arches or similar structures that carries a road or water canals over a valley or other uneven surface This viaduct had to be built in reinforced concrete because precast sections were unsuitable for the area.
bridge consisting of a series of arches supported by piers used to carry a road (or railroad) over a valley
a bridge carrying a road over another road, or a railway over a road
a bridge that connects two points on the landscape of equal height, usually bridging a narrow valley
a long, continuous bridge
A railway structure which is used to carry railway tracks above the general level of the ground and is usually made up of a continuous series of bridges or trestles.
a long bridge carrying a road or railway across a valley
A long, multi-span structure, especially one constructed of concrete. More commonly used in relation to structures carrying motor vehicles. Trestle is the term for a similar structure when used in relation to railroads.
A long form of arched bridge having five or more arches below track level. WXYZ
A series of spans carried on piers at short intervals.
A bridge over land, usually with multiple short or medium length spans. The Vista Avenue bridge over SW Jefferson Street is a famous example of a viaduct. Other well-known examples include the transition from the Grand/MLK couplet to McLoughlin Blvd, and the eastern approaches to the Morrison and Hawthorne bridges.
A long bridge-like structure, typically a series of arches, carrying a railway across a valley or other low ground.
A viaduct is a bridge composed of several small spans. The term viaduct is derived from the Latin via for road and ductus to conduct something. However the Ancient Romans did not use that term per se, it is a modern derivation from an analogy with aqueduct.
