Simple Definition of viaduct

from our Learner's Dictionary

viaduct

noun

ˈvajəˌdʌkt How to pronounce viaduct (audio)
plural viaducts
: a long, high bridge that carries a road or railroad over something (such as a valley)

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“Viaduct.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/viaduct. Accessed 17 Jul. 2026.

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