• de
  • en
  • fr
  • International Database for Civil and Structural Engineering

Second Severn Crossing

Second Severn Crossing

General Information

Structural Type: Cable-stayed bridge
Function / usage: Motorway bridge / freeway bridge
Built: 1993 - 1996
Status: in use

Geographic Information & Related Structures

Location: Redwick, South Gloucestershire, Gloucestershire, South West England, England, United Kingdom, Europe
Caldicot, Monmouthshire, Wales, United Kingdom, Europe
Crosses
  • River Severn
Carries
  • M 4 Motorway

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
approaches bridge surface 138 753 m²
deck deck width 33.20 m
girder depth 3.15 m
main bridge bridge surface 33131 m²
overall structure bridge surface 171 875 m²
pylon pylon height 137 m
pylon height (above deck) 100.00 m

Quantities

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

Materials

piers reinforced concrete
pylons reinforced concrete
deck of main bridge steel
deck of approaches prestressed concrete
deck slab reinforced concrete

Relevant Web Sites

Relevant Publications

Internal Information
Structure-ID: s0000582
Created: 28/12/1999
Last Updated: 28/07/2014