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Severn Bridge and Aust Viaduct, First Severn Crossing

A Grade I Listed Building in Tidenham, Gloucestershire

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Coordinates

Latitude: 51.6099 / 51°36'35"N

Longitude: -2.6402 / 2°38'24"W

OS Eastings: 355761

OS Northings: 190317

OS Grid: ST557903

Mapcode National: GBR JN.9YBD

Mapcode Global: VH87V.6S2P

Entry Name: Severn Bridge and Aust Viaduct, First Severn Crossing

Listing Date: 26 November 1999

Grade: I

Source: Historic England

Source ID: 1379827

English Heritage Legacy ID: 479259

Location: Tidenham, Forest of Dean, Gloucestershire, NP16

County: Gloucestershire

District: Forest of Dean

Parish: Tidenham

Traditional County: Gloucestershire

Lieutenancy Area (Ceremonial County): Gloucestershire

Church of England Parish: Tidenham St Mary

Church of England Diocese: Gloucester

Listing Text

ST 58 NE AUST M48 MOTORWAY

297/7/10005 Severn Bridge and Aust
Viaduct, First Severn
29.05.1998 Crossing

GV I


Includes: Severn Bridge and Aust Viaduct, First Severn Crossing, M48 Motorway, Beachley,
Tidenham.
Motorway bridge over River Severn and its eastern approach viaduct. 1961-1966. Freeman Fox and Partners in association with Mott, Hay and Anderson; consulting architect Sir Percy Thomas. Bridge has steel cables, deck and towers, concrete substructure and foundations (cable anchorages and piers for towers); viaduct structure steel with concrete deck slab. Suspension bridge (spans 1000ft. -3240ft, -1000ft.) with aerodynamically shaped deck and inclined hangers; first bridge in the world to be built with these features. Viaduct 514ft. long, has three spans consisting of two box girders acting compositely with concrete slab.
Part of the First Severn Crossing for the M4, consisting of Aust Viaduct, Severn Bridge and Wye Bridge (qv). Strengthened and refurbished 1985-91 without seriously changing appearance. Bridge recently repainted white to reduce thermal stress (not original colour, but successful).
This is the first bridge in the world to use the revolutionary concept of the streamlined deck and inclined hangers, and was an early example of a fully welded steel deck. It was by far the longest span in England when it was built.

SOURCES: Roberts, Sir G; Severn Bridge: Design and Contract Arrangements' {Proc.lnst.Civ.Eng. Vol41, 1968}
Henry, D & Jerome, JA; Modern British Bridges' {1965} Brown, DJ; Bridges 1965-93';
Flint, AR; Strengthening and Refurbishment of the Severn Crossing {Proc.lnst.Civ.Eng.1992}


Listing NGR: ST5576690306

This text is from the original listing, and may not necessarily reflect the current setting of the building.

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