Forth Road Bridge is a Grade A listed building in the local planning authority area, Scotland. First listed on 21 March 2001. Bridge. 6 related planning applications.
Forth Road Bridge
- WRENN ID
- high-chapel-barley
- Grade
- A
- Local Planning Authority
- Constituency
- Cowdenbeath and Kirkcaldy MP: Melanie Ward (Lab)
- Country
- Scotland
- Date first listed
- 21 March 2001
- Type
- Bridge
- OS grid reference
- NT 125 796
- Coordinates
- 56.00168, -3.40405
- Source
- Historic Environment Scotland listing
Description
The Forth Road Bridge is a significant suspension road bridge constructed between 1958 and 1964, following a commission in 1947 involving consulting engineers Mott, Hay and Anderson in association with Freeman Fox & Partners and architects Sir Giles Gilbert Scott, Son & Partners. Spanning the Forth Estuary, the bridge features twin suspension towers with a main span of 1006 meters and equal side spans of 408 meters, resulting in a total length of 1822 meters.
At each end of the bridge, approach viaducts are supported by paired piers, with 10 pairs on the southern side and 6 pairs on the northern side, each connected at the top by a round arch. The main deck and suspension towers are made of steel, while the approach viaducts consist of steel box girders with a concrete deck and concrete piers. The suspension towers are 150 meters tall and feature twin legs connected by lattice bracing, which supports the cable saddles.
The main cables are anchored in rock below the approach viaducts within concrete anchor chambers, which are faced with Corennie granite transferred aggregate. Vertical suspender cables support the main deck, which accommodates two carriageways and has cantilevered pedestrian and cycle pathways on both the east and west sides. The suspended deck is supported by a steel stiffening lattice truss, and the bases of the approach piers are also faced with granite transferred aggregate.
Local climate
Forth Road Bridge receives an average of 930 mm of rain a year. This makes it wetter than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 51% of listed buildings.
It experiences an average of 40 freeze-thaw cycles a year, more than 77% of listed buildings. Of these, 21 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- Related listed building consents — 6 applications
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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