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General Information

Beginning of works: 26 April 1992
Completion: 5 June 1996
Status: in use

Project Type

Location

Location: , , , , ,
, , ,
Crosses:
  • River Severn
Carries:
  • M 4 Motorway
Coordinates: 51° 34' 27.23" N    2° 42' 0.74" W
Coordinates: 51° 34' 10.20" N    2° 39' 50.33" W
Coordinates: 51° 34' 55.73" N    2° 44' 5.55" W
Show coordinates on a map

Technical Information

Dimensions

main span 456.000 m
total length 5 125.690 m
span lengths 32.706 m - 58.144 m - 23 x 98.118 m - 456.000 m - 23 x 98.118 m - 65.412 m
clearance 37 m
number of spans 28
deck deck width 33.20 m
girder depth 3.15 m
approach viaducts
bridge surface 138 753 m²
main bridge
bridge surface 33131 m²
pylons pylon height 137 m
pylon height (above deck) 100.00 m
overall structure
bridge surface 171 875 m²

Quantities

foundations concrete for foundations 162 000 m³
piers concrete for piers 20 220 m³
substructure reinforcing steel 16 900 t
concrete for piles 9 000 m³
approach viaducts
deck of approach viaducts concrete volume 105 000 m³
prestressing steel 5 045 t
reinforcing steel 16 000 t
number of precast segments 2302
main bridge
deck of main bridge structural steel 7 000 t
concrete volume 9 000 m³
reinforcing steel 2 700 t
reinforcing steel 2 520 t
steel for cable-stays 1 733 t
concrete for pylons and piles 10 600 m³
overall structure
concrete volume 420 000 m³

Materials

piers reinforced concrete
pylons reinforced concrete
deck of main bridge steel
deck of approach viaducts prestressed concrete
deck slab reinforced concrete

Relevant Web Sites

Relevant Publications

More publications...
  • About this
    data sheet
  • Structure-ID
    20000582
  • Published on:
    28/12/1999
  • Last updated on:
    28/11/2018
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