Bridge over Tennant Canal N of former Mines Royal Copper Works is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 22 December 2003. Bridge.

Bridge over Tennant Canal N of former Mines Royal Copper Works

WRENN ID
silent-stone-soot
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Neath and Swansea East MP: Carolyn Harris (Lab)
Country
Wales
Date first listed
22 December 2003
Type
Bridge
Address
Bridge over Tennant Canal N of former Mines Royal Copper Works, Neath Abbey, Dyffryn Clydach
OS grid reference
SS 733 972
Coordinates
51.65986, -3.83264
Source
Cadw listing

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

Description

This is a bridge over the Tennant Canal, located north of the former Mines Royal Copper Works. It is constructed of rubble stone, with some blocks made of furnace slag. The bridge features a single segmental arch made of sandstone voussoirs. The parapets are also made of rubble, topped with slag coping blocks. The roadway has been infilled with concrete and raised approximately 60 centimeters above the parapet copings. The slag copings on the eastern side have a quarter-round profile.

Local climate

Bridge over Tennant Canal N of former Mines Royal Copper Works 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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  1. Tramroad bridge over Skewen Cutting, Tennant Canal (partly in Coedffranc community) Grade II 117 m
  2. Tramroad bridge over Skewen Cutting, Tennant Canal (partly in Dyffryn Clydach Community) Grade II 123 m
  3. Church of Saint John the Baptist Grade II 256 m
  4. Gorphwysfa Chapel Grade II 331 m
  5. Quaker's Viaduct (partly in Coedffranc community) Grade II 354 m
  6. Quaker's Viaduct (partly in Dyffryn Clydach community) Grade II 373 m
  7. Bridge over Tennant Canal to S of entrance to Neath Abbey Grade II 397 m
  8. Bridge over S end of Skewen Cutting, Tennant Canal (partly in Coedffranc community) Grade II 402 m
  9. Bridge over S end of Skewen Cutting, Tennant Canal (partly in Dyffryn Clydach community) Grade II 403 m
  10. Bridge over River Clydach to S of Neath Abbey Grade II 493 m