viaduct

noun

via·​duct ˈvī-ə-ˌdəkt How to pronounce viaduct (audio)
: a long elevated roadway usually consisting of a series of short spans supported on arches, piers, or columns

Illustration of viaduct

Illustration of viaduct

Examples of viaduct in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Highways, viaducts, giant interchanges, and a major Metro junction viciously mutilated São Paulo’s downtown in the 1960s and ’70s, demoting it from a popular residential area to a commercial transfer hub, overcrowded and polluted by day but forlorn by night. Michaëla De Lacaze Mohrmann, Artforum, 1 Jan. 2026 The rail system, whose first bond issue was approved by California voters in 2008, has built more than 50 major railway structures, including bridges, overpasses, undercrossings, and viaducts, and completed nearly 80 miles of guideway for the project. David Shepardson, USA Today, 28 Dec. 2025 The bridge is closed at South 16th Street and West Pierce Street, and at the bottom of the viaduct ramp. David Clarey, jsonline.com, 19 Dec. 2025 Woitekaitis failed to negotiate the trail and hit a sign, which threw him off the snowmobile and into the concrete viaduct, the coroner's office said. Adam Harrington, CBS News, 7 Dec. 2025 See All Example Sentences for viaduct

Word History

Etymology

Latin via way, road + English aqueduct

First Known Use

1816, in the meaning defined above

Time Traveler
The first known use of viaduct was in 1816

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Cite this Entry

“Viaduct.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/viaduct. Accessed 6 Jan. 2026.

Kids Definition

viaduct

noun
via·​duct ˈvī-ə-ˌdəkt How to pronounce viaduct (audio)
: a bridge for carrying a road or railroad over something (as a gorge or a highway)

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