Lower Eirw bridge is a Grade II listed building in the Rhondda Cynon Taf local planning authority area, Wales. First listed on 1 August 1996. Bridge.

Lower Eirw bridge

WRENN ID
empty-rampart-bittern
Grade
II
Local Planning Authority
Rhondda Cynon Taf
Constituency
Rhondda and Ogmore MP: Chris Bryant (Lab)
Country
Wales
Date first listed
1 August 1996
Type
Bridge
Address
Lower Eirw bridge, Trehafod, Rhondda Cynon Taff
OS grid reference
ST 043 910
Coordinates
51.61017, -3.38307
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Lower Eirw Bridge is a single span road bridge built with bow girder construction. It features two painted curved metal parapets with uprights and diagonal braces on either side of the road. Each side has a footpath with latticework parapets topped with pyramidal caps and billet mouldings on the uprights. The end piers are made of channelled concrete and have moulded shallow pyramidal caps over billet moulding, with a cast inscription on each end pier topped by a decorative shaft. Underneath, the metal supports terminate in scrolled corbels on the upstream side. The rockfaced stone abutments show signs of widening, and the footings of the cutwaters from the previous bridge are visible.

Local climate

Lower Eirw bridge sits in a wetter-than-average part of the UK, with an average of 1,150 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 88% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 57% of listed buildings. Of these, 13 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

Sign in or create a free account to unlock:

  • No EPC on record for this property
  • No sale records on file
  • 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
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

See all similar buildings →

this building   1 similar   nearby listed buildings

Nearby listed buildings

  1. Trehafod Memorial Hall and Institute Grade II 305 m
  2. Former Lewis Merthyr Colliery chimney Grade II 307 m
  3. Former Lewis Merthyr Colliery fan house Grade II 324 m
  4. Former Lewis Merthyr Colliery Trefor winding engine house Grade II* 327 m
  5. Former Lewis Merthyr Colliery Trefor pithead and headframe Grade II* 343 m
  6. Former Lewis Merthyr Colliery lamproom and fan house Grade II* 356 m
  7. Former Lewis Merthyr Colliery Bertie winding engine house Grade II* 365 m
  8. Former Lewis Merthyr Colliery Bertie pithead, headframe, tram circuit and tippler Grade II* 376 m
  9. Bridge over Cwm Hafod Grade II 555 m
  10. Fan House at Hetty Shaft Grade II* 1.1 km