via·​duct | \ˈvī-ə-ˌdəkt \

Definition of viaduct 

: 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

For the viaduct project, one lane each way will be closed for the next 2½ years, 24 hours per day. David Porter, Fox News, "NYC commuters are spared a nightmare as road project starts," 21 Aug. 2018 Around her, other volunteers helped paint over graffiti, lay mulch and plant daffodils and hostas to brighten a section of the busy artery that runs under the I-84 viaduct. Rebecca Lurye,, "Volunteers Brighten A Dark Corner Of Hartford Roadway," 5 May 2018 But first the 17-year-old Messmer High School student walked across the 16th Street viaduct, the flashpoint of Milwaukee's civil rights marches for open housing. Meg Jones, Milwaukee Journal Sentinel, "Milwaukee-area students start civil rights pilgrimage with journey across 16th Street viaduct," 6 May 2018 Last year, activists and homeless protesters briefly halted traffic on Lake Shore Drive to protest the city’s decision to clear areas beneath viaducts in Uptown. Patrick M. O'connell,, "Anti-violence march on northbound lanes of Dan Ryan Expressway set to start at 10 a.m.," 7 July 2018 Reinforcing the steel could extend the life of the viaduct by 75 years, state transportation officials said. Patrick Mcgeehan, New York Times, "For New Jersey Commuters, a Sequel to the ‘Summer of Hell’," 5 June 2018 The River Market is a quick drive up a viaduct that leads to Grand Boulevard, or a short walk across the Town of Kansas bridge. Sarah Gish, kansascity, "Pickleball, saltwater pool, dog park? Tour KC's new riverfront luxury apartments | The Kansas City Star," 15 May 2018 Originally built as a family home and photography studio, this 1,600-square-foot residence occupies the infill plot sitting under a 19th-century viaduct with still-active trains running above it. Alex Bazeley, Curbed, "Sculptural steel home built into a 19th-century railway bridge wants $1.4M," 9 July 2018 Compounding the danger was the fact that a short distance downstream, Keith Creek enters an underground viaduct and does not re-emerge for several hundred yards. Matthew Walberg,, "Dramatic rescue in Rockford flood: 'We didn't give him a chance to decide'," 19 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'viaduct.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of viaduct

1816, in the meaning defined above

History and Etymology for viaduct

Latin via way, road + English aqueduct

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Dictionary Entries near viaduct


via crucis

via dolorosa





Statistics for viaduct

Last Updated

16 Nov 2018

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Time Traveler for viaduct

The first known use of viaduct was in 1816

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English Language Learners Definition of viaduct

: a long, high bridge that carries a road or railroad over something (such as a valley)


via·​duct | \ˈvī-ə-ˌdəkt \

Kids Definition of viaduct

: a bridge for carrying a road or railroad over something (as a gorge or highway)

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a private place of worship

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