viaduct definition

  • noun:
    • a number of covers or arches familiar with carry a road or railroad over a wide valley or over other roadways or railroads.
    • A bridge with a few spans that carries roadway or train traffic over a valley or other obstacles.
    • A structure of substantial magnitude, often with arches or supported on trestles, to carry a road, as a railroad, high above the ground or water; a bridge; specially, one for crossing a valley or a gorge. Cf. trestlework.
    • a comprehensive bridge, consisting purely of a series of arches of masonry, erected for the purpose of carrying out a road or a railway over a valley or a district of low-level, or over current channels of interaction, in which an embankment would be impracticable or inexpedient; even more widely, any elevated roadway which is why artificial buildings of timber, metal, bricks, or stonework are founded. Compare aqueduct.
    • connection composed of a number of arches sustained by piers accustomed carry a road (or railroad) over a valley

Related Sources

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