Small Dean Viaduct
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Small Dean Viaduct is a
viaduct A viaduct is a specific type of bridge that consists of a series of arches, piers or columns supporting a long elevated railway or road. Typically a viaduct connects two points of roughly equal elevation, allowing direct overpass across a wide ...
currently under construction in
Buckinghamshire Buckinghamshire (, abbreviated ''Bucks'') is a Ceremonial counties of England, ceremonial county in South East England and one of the home counties. It is bordered by Northamptonshire to the north, Bedfordshire to the north-east, Hertfordshir ...
which will carry the
High Speed 2 High Speed 2 (HS2) is a high-speed railway which has been under construction in England since 2019. The line's planned route is between Handsacre – in southern Staffordshire – and London, with a Spur line, branch to Birmingham. HS2 is to ...
railway line. Approval for the viaduct was granted by
Buckinghamshire Council Buckinghamshire Council is the Local Government in England, local authority for the Buckinghamshire (district), Buckinghamshire district in England. It is a Unitary authorities of England, unitary authority, performing both county and district- ...
in April 2023. The viaduct is long and will pass over the A413 road which will be realigned. A
shared-use path A shared-use path, mixed-use path or multi-use pathway is a path which is "designed to accommodate the movement of pedestrians and cyclists". Examples of shared-use paths include sidewalks designated as shared-use, Bridle path, bridleways and ra ...
will also be provided. The viaduct will have a low profile with the underside of the viaduct above the road surface below. It will be supported by five Y-shaped piers and girders made from
weathering steel Weathering steel, often referred to by the genericised trademark COR-TEN steel and sometimes written without the hyphen as corten steel, is a group of steel alloys that form a stable external layer of rust that eliminates the need for painting ...
.


References

{{High Speed 2 articles High Speed 2 Railway viaducts in Buckinghamshire