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Forth Road Bridge
General Information
Project Type
| Structure: |
Suspension bridge |
|---|---|
| Function / usage: |
Motorway bridge / freeway bridge |
| Material: |
Steel bridge |
Location
| Location: |
Queensferry, Edinburgh, Scotland, United Kingdom |
|---|---|
| Crosses: |
|
| Next to: |
Firth of Forth Bridge; 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.
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Participants
Design
Construction
- John Howard and Co. Ltd. (substructure)
Contractor
- Reed and Mallik (approach viaduct)
Co-contractor
- Cleveland Bridge & Engineering Co. Ltd. (superstructure)
- Dorman, Long and Co. Ltd. (superstructure)
- Sir William Arrol & Co. (superstructure)
Monitoring (2011)
Monitoring equipment
Relevant Web Sites
Relevant Publications
- (2006): Advances in Cable-Supported Bridges. Taylor & Francis, Abingdon-on-Thames (United Kingdom), pp. 261.
- (2007): Air force. In: Bridge Design & Engineering, v. 13, n. 47 (2nd Quarter 2007), pp. 39-40.
- (1954): Aspects économiques d'un pont-route sur le Forth. In: Ossature métallique, v. 19 (December 1954), pp. 582.
- (2011): Bearing replacement and strengthening of Forth road bridge approach viaducts. Presented at: 35th Annual Symposium of IABSE / 52nd Annual Symposium of IASS / 6th International Conference on Space Structures, London, September 2011.
- (2014): Bearing replacements for Forth Road Bridge approach viaducts. In: Proceedings of the Institution of Civil Engineers - Bridge Engineering, v. 167, n. 3 (September 2014), pp. 170-182.
- About this
data sheet - Structure-ID
20000300 - Date created
21/05/1999 - Last Update
21/09/2017