Pontygwaith Rail Overbridge is a Grade II listed building in the Merthyr Tydfil local planning authority area, Wales. First listed on 5 April 2016. Road overbridge.
Pontygwaith Rail Overbridge
- WRENN ID
- ghost-granite-harvest
- Grade
- II
- Local Planning Authority
- Merthyr Tydfil
- Constituency
- Merthyr Tydfil and Aberdare MP: Gerald Jones (Lab)
- Country
- Wales
- Date first listed
- 5 April 2016
- Type
- Road overbridge
- Address
- Pontygwaith Rail Overbridge, Penydarren Tramroad, Treharris
- OS grid reference
- ST 081 977
- Coordinates
- 51.6711, -3.33024
- Source
- Cadw listing
Description
The Pontygwaith Rail Overbridge is a road overbridge that spans a railway and is located next to a tramroad bridge to the west. It features steel beams and parapets supported by rusticated sandstone abutments, with buttressed projecting piers and curving flanking walls. The structure has rounded capping, a strong course, and a deck level. To the south, there is a rubble stone wall that extends down to the tramroad bridge.
Local climate
Pontygwaith Rail Overbridge sits in a wetter-than-average part of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 83% of listed buildings.
It experiences an average of 43 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 22 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2020
- No related consent applications matched
- 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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