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Viaduct vs Girder - What's the difference?

viaduct | girder |

As nouns the difference between viaduct and girder

is that viaduct is a bridge with several spans that carries road or rail traffic over a valley or other obstacles while girder is a beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure.

viaduct

Noun

(en noun)
  • A bridge with several spans that carries road or rail traffic over a valley or other obstacles.
  • * , chapter=7
  • , title= The Mirror and the Lamp , passage=[…] St.?Bede's at this period of its history was perhaps the poorest and most miserable parish in the East End of London. Close-packed, crushed by the buttressed height of the railway viaduct , rendered airless by huge walls of factories, it at once banished lively interest from a stranger's mind and left only a dull oppression of the spirit.}}

    girder

    English

    (wikipedia girder)

    Noun

    (en noun)
  • A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure.
  • One who girds; a satirist.