The Big Arch is a Grade II listed building in the Torfaen local planning authority area, Wales. First listed on 13 September 1994. Bridge.

The Big Arch

WRENN ID
strange-latch-bone
Grade
II
Local Planning Authority
Torfaen
Country
Wales
Date first listed
13 September 1994
Type
Bridge
Address
The Big Arch, The British, Pontypool, Abersychan
OS grid reference
SO 259 034
Coordinates
51.72527, -3.07278
Source
Cadw listing

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

Description

The Big Arch is a bridge made of sandstone and brick. It features a semi-circular arch that is 11 meters wide and consists of five rings of engineering brick. The arch spans 36 meters and was built as a cut-and-cover tunnel. The revetment walls that create the portals are made of bull-nosed sandstone and are arranged in an unusual L-plan to support the embankment, which is angled in relation to the arch. The corners of the L-shape are rounded, and the walls are slightly battered, sloping steeply to the ground from points near the track bed level.

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Nearby listed buildings

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  2. Former British Ironworks office and foundry quadrangle Grade II* 295 m
  3. Former Goods Shed of Abersychan and Talywain Station Grade II 310 m
  4. High Street Baptist Church Grade II 478 m
  5. Waterloo Cottage Grade II 496 m
  6. Church of St Thomas Grade II 582 m
  7. Former colliery engine house at ETM Steel Fabrication Grade II 781 m
  8. Garndiffaith Railway Viaduct Grade II 863 m
  9. Chimney Grade II 1.0 km
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