Former Tramroad Bridge over Sirhowy River is a Grade II listed building in the Blaenau Gwent local planning authority area, Wales. First listed on 14 October 1999. Bridge.

Former Tramroad Bridge over Sirhowy River

WRENN ID
forbidden-gallery-dock
Grade
II
Local Planning Authority
Blaenau Gwent
Constituency
Blaenau Gwent and Rhymney MP: Nick Smith (Lab)
Country
Wales
Date first listed
14 October 1999
Type
Bridge
Address
Former Tramroad Bridge over Sirhowy River, Tredegar
OS grid reference
SO 142 099
Coordinates
51.782, -3.24404
Source
Cadw listing

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

Description

The former tramroad bridge over the Sirhowy River is a Grade II listed structure built of rubble. It features a wide segmental arch made with cut stone voussoirs and has a projecting keystone. Above the arch, there is a stringcourse. On either side of the bridge to the east, there are splay-arches that allow the tramroad tracks to fan out towards the ironworks site to the northeast; these splay-arches are part-segmental and meet the main bridge about 50 centimeters short of the keystones. The bridge has low parapets topped with cement copings and 20th-century metal fencing. It continues to the southwest as revetments and extends to the east and west alongside Dukestown Road.

Local climate

Former Tramroad Bridge over Sirhowy River sits in a wetter-than-average part of the UK, with an average of 1,120 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.

It experiences an average of 51 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 27 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. Sirhowy Ironworks Grade II* 150 m
  2. Ironworks Boundary Stone Grade II 238 m
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  5. Christina Louise Nursing Home (aka Central Surgery) Grade II 545 m
  6. The Town Clock Grade II* 1.2 km
  7. N.C.B. Club Grade II 1.2 km
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