# Small Dean Viaduct

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Bridge in Wendover

Small Dean Viaduct Coordinates 51°45′00″N 0°44′12″W / 51.7500°N 0.7368°W / 51.7500; -0.7368 Carries High Speed 2 Crosses A413 road Locale Wendover Characteristics Total length 345 m (1,132 ft) No. of spans 6 Rail characteristics No. of tracks 2 Track gauge 1,435 mm (4 ft 8+1⁄2 in) Electrified 25 kV 50 Hz AC History Architect Moxon Architects Designer ASC (Arcadis, Setec and COWI) Constructed by EKFB (Eiffage, Kier, Ferrovial, BAM Nuttall) Location Interactive map of Small Dean Viaduct

**Small Dean Viaduct** is a [viaduct](/source/Viaduct) currently under construction in [Buckinghamshire](/source/Buckinghamshire) which will carry the [High Speed 2](/source/High_Speed_2) railway line.

Approval for the viaduct was granted by [Buckinghamshire Council](/source/Buckinghamshire_Council) in April 2023.[1]

The viaduct is 345 metres (1,132 feet) long and will pass over the [A413 road](/source/A413_road) which will be realigned.[1] A [shared-use path](/source/Shared-use_path) will also be provided.[2]

The viaduct will have a low profile with the underside of the viaduct 6 metres (20 feet) above the road surface below. It will be supported by five Y-shaped piers and girders made from [weathering steel](/source/Weathering_steel).[3]

## References

1. ^ [***a***](#cite_ref-:0_1-0) [***b***](#cite_ref-:0_1-1) ["HS2 viaduct approved in Wendover countryside"](https://www.bbc.co.uk/news/articles/cl46y44lvm8o). *BBC News*. 20 April 2023. Retrieved 24 December 2024.

1. **[^](#cite_ref-2)** ["Small Dean Viaduct"](https://www.hs2.org.uk/building-hs2/viaducts-and-bridges/small-dean-viaduct/). *HS2*. Retrieved 24 December 2024.

1. **[^](#cite_ref-3)** ["Small Dean Viaduct clears planning"](https://www.theconstructionindex.co.uk/news/view/small-dean-viaduct-clears-planning). *www.theconstructionindex.co.uk*. Retrieved 24 December 2024.

v t e High Speed 2 Infrastructure Aston Church Road Overbridge Automated people mover Balsall Common Viaduct Bromford Tunnel Chiltern Tunnel Colne Valley Viaduct Euston Tunnel Marston Box Rail Bridge Northolt Tunnel Rolling stock Small Dean Viaduct Thame Valley Viaduct Turweston Green Bridge Washwood Heath depot Willesden Logistics Hub Wendover Dean Viaduct Places affected Bodymoor Heath Training Ground Calvert Jubilee Chiltern Hills Colne Valley Regional Park Cubbington Woods Curzon Gate Euston Downside Carriage Maintenance Depot Fox and Grapes, Birmingham Jones' Hill Wood Square One Wendover Reception Support Opposition Stop HS2 Stations New/New high speed rail section Birmingham Curzon Street Birmingham Interchange Old Oak Common Manchester Airport High Speed Manchester Piccadilly High Speed London Euston Existing Carlisle Chesterfield Crewe Darlington Edinburgh Waverley Glasgow Central Haymarket Lancaster Leeds Lockerbie Macclesfield Motherwell Oxenholme Lake District Penrith Preston Runcorn Sheffield Stafford Stoke-on-Trent Warrington Bank Quay Wigan North Western York Cancelled East Midlands Hub Heathrow Hub Related high speed projects High Speed 1 High-speed rail in the United Kingdom HS4Air Northern Powerhouse Rail UK Ultraspeed

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Adapted from the Wikipedia article [Small Dean Viaduct](https://en.wikipedia.org/wiki/Small_Dean_Viaduct) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Small_Dean_Viaduct?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.