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Forth Road Bridge

General Information

Beginning of works: 1958
Completion: 4 September 1964
Status: in use

Project Type

Structure: Suspension bridge
Function / usage: Motorway bridge / freeway bridge
Material: Steel bridge

Location

Location: , , ,
Crosses:
  • Firth of Forth
Next to: Firth of Forth Bridge; Firth of Forth Rail Bridge (1890)
Forth Replacement Crossing; New Forth Bridge (2017)
Coordinates: 56° 0' 44.09" N    3° 24' 12.94" W
Coordinates: 55° 59' 18.39" N    3° 24' 17.03" W

Technical Information

Dimensions

main span 1 006.50 m
length of side spans 408.70 m
tower height 150.12 m
deck deck depth 8.4 m
deck width 5.18 m + 23.8 m + 5.18 m

Materials

cables steel
pylons steel
deck truss steel

Notes

The superstructure was built by ACD Bridge Company Ltd, a joint venture of Sir William Arroll & Co Ltd, The Cleveland Bridge and Engineering Company Ltd, and Dorman Long Bridge and Engineering Ltd.

The approach roads were built by Whatlings Ltd, Glasgow, from the north road and A&M Carmichael Ltd, Edinburgh, for the south road.

Participants

Design
Construction
Contractor
Co-contractor
Monitoring (2011)
Monitoring equipment

Relevant Web Sites

Relevant Publications

More publications...
  • About this
    data sheet
  • Structure-ID
    20000300
  • Date created
    21/05/1999
  • Last Update
    21/09/2017