Railway Viaduct over River Ceiriog is a Grade II* listed building in the Wrexham local planning authority area, Wales. First listed on 29 July 1998. Viaduct.
Railway Viaduct over River Ceiriog
- WRENN ID
- rough-cornice-fen
- Grade
- II*
- Local Planning Authority
- Wrexham
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 29 July 1998
- Type
- Viaduct
- Address
- Railway Viaduct over River Ceiriog, Chirk
- OS grid reference
- SJ 286 372
- Coordinates
- 52.92823, -3.06258
- Source
- Cadw listing
Description
The Railway Viaduct over the River Ceiriog is a Grade II* listed structure built of coursed squared rock-faced stone, with the upper arch stage made of brick faced with stone. It is approximately 260 meters (849 feet) long and features 16 arches, with ten forming the major span that rises 30 meters (100 feet) above the river. At each end, there are three arches that were originally constructed in wood and replaced with stone in 1858. The main piers of the viaduct taper upwards to an ashlar fascia and torus moulding at the springing line. Above this, there are decorative arched niches that include architraves, keystones, and pediments. The arches between the piers are made with ashlar voussoirs backed to course, featuring a dropped keystone. A modillion cornice is located below the ashlar parapet.
Local climate
Railway Viaduct over River Ceiriog receives an average of 870 mm of rain a year. This makes it wetter than 62% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 80% of listed buildings.
It experiences an average of 46 freeze-thaw cycles a year, more than 87% of listed buildings. Of these, 26 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
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- Detailed attributes — period, style, materials, features
- Flood risk assessment
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- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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