Bigsweir Bridge is a Grade II* listed building in the Forest of Dean local planning authority area, England. First listed on 7 March 1988. Bridge.
Bigsweir Bridge
- WRENN ID
- lesser-spandrel-cream
- Grade
- II*
- Local Planning Authority
- Forest of Dean
- Constituency
- Forest of Dean MP: Matt Bishop (Lab)
- Country
- England
- Date first listed
- 7 March 1988
- Type
- Bridge
- Address
- Bigsweir Bridge, A 466, St. Briavels
- OS grid reference
- SO 538 051
- Coordinates
- 51.74275, -2.66949
- Source
- Historic England listing
Description
Bigsweir Bridge is a road bridge over the River Wye, built between 1826 and 1829. It is constructed from cast iron and sandstone. The bridge features a broad central clear span supported by four cast iron arches with W-strutting that rises to a slight hump-back. The sandstone abutments extend and include two flat segmental arches on each side. A simple handrail made of cast iron runs over diagonally set balusters with an indent mould, except in areas where it was replaced in the 20th century. The abutments rise from a heavy roll mould to a parapet with capping, which then runs back in segments to circular terminal piers. The walls continue similarly on either side over the stone segmental arches. The main handrails are spaced approximately 5 meters apart, while the round piers are about 8 meters apart. The ironwork for the bridge was cast at Merthyr Tydfil.
Local climate
Bigsweir Bridge receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 18 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.
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- No EPC on record for this property
- No sale records on file
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- 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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