Forge tramroad bridge at Neath Abbey Ironworks (partly in Blaenhonddan community) is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 26 November 2003. Bridge.

Forge tramroad bridge at Neath Abbey Ironworks (partly in Blaenhonddan community)

WRENN ID
dark-solder-saffron
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Neath and Swansea East MP: Carolyn Harris (Lab)
Country
Wales
Date first listed
26 November 2003
Type
Bridge
Address
Forge tramroad bridge at Neath Abbey Ironworks (partly in Blaenhonddan community), Dyffryn Clydach
OS grid reference
SS 738 979
Coordinates
51.66614, -3.82614
Source
Cadw listing

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

Description

The Forge tramroad bridge at Neath Abbey Ironworks, located partly in the Blaenhonddan community, is a Grade II listed structure. It features a bridge over a weir, constructed from rubble stone. The eastern side has a broad segmental arch, while the western side has a single narrow segmental arch. The downstream side of the bridge showcases tooled stone voussoirs for the arches, which are separated by a low pier made of tooled squared stone. There is no parapet on this side. The upstream side has an altered parapet section, with surviving copings made of ogee-curved cast metal slag. Beneath the arches, there is a stone-cobbled slope, and the broader arch has a splayed abutment.

Local climate

Forge tramroad bridge at Neath Abbey Ironworks (partly in Blaenhonddan community) sits in one of the wettest parts of the UK, with an average of 1,380 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 12 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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Nearby listed buildings

  1. Forge tramroad bridge at Neath Abbey Ironworks (partly in Dyffryn Clydach community) Grade II 8 m
  2. Former forge and rolling mill at Neath Abbey Ironworks Grade II 113 m
  3. Neath Abbey Railway Viaduct (partly in Dyffryn Clydach community) Grade II 123 m
  4. Neath Abbey Railway Viaduct (partly in Blaenhonddan community) Grade II 124 m
  5. No. 1 Blast Furnace at former Neath Abbey Ironworks Grade II* 167 m
  6. No. 2 Blast Furnace at former Neath Abbey Ironworks Grade II* 199 m
  7. Former engine manufacturing building at former Neath Abbey Ironworks Grade II 274 m
  8. The Smiths Arms Grade II 359 m
  9. Church of Saint John the Baptist Grade II 585 m
  10. Clydach Aqueduct on Tennant Canal Grade II 663 m