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Cynghordy Viaduct

A Grade II* Listed Building in Llanfair-ar-y-Bryn, Carmarthenshire

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Coordinates

Latitude: 52.0613 / 52°3'40"N

Longitude: -3.7396 / 3°44'22"W

OS Eastings: 280836

OS Northings: 241750

OS Grid: SN808417

Mapcode National: GBR Y6.DC1N

Mapcode Global: VH5DR.4GC5

Entry Name: Cynghordy Viaduct

Listing Date: 8 July 1966

Last Amended: 25 February 1999

Grade: II*

Source: Cadw

Source ID: 10922

Building Class: Transport

Location: Situated approximately 1.5km N of Cynghordy crossing the valley of the Afon Bran.

County: Carmarthenshire

Town: Llandovery

Community: Llanfair-ar-y-Bryn

Locality: Cynghordy

Traditional County: Carmarthenshire

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Cynghordy

History

Railway viaduct built for the Central Wales Line by Henry Robertson in 1867-8. A narrow viaduct of 1000' (305m) length and 109' (33m) height, of 18 arches, built on a curve. Henry Robertson, ironmaster and engineer, was the engineer also to the Shrewsbury and Chester line, and the Ruabon to Dolgellau line which included the Vale of Llangollen Railway. He designed the outstanding viaducts at Cefn Mawr and Chirk, both of 1846-8, and the station at Ruabon 1860.

Exterior

Railway viaduct of stone to slightly curving plan. 18 round-headed arches, of great height, yellow brick to arches in 6 bands. Stonework is rock-faced massive rubble, carefully dressed to leave a smooth angle to the piers, which are splayed out at the feet. Below the springing of each arch towards the top of each pier are square projecting blocks, perhaps for erecting wooden scaffolding under arch. Stone flat parapets.

Reasons for Listing

Graded II* as a masonry railway viaduct of outstanding landscape value, notable for the careful detail, the extreme attenuation of the piers and the subtle curve in plan.

Other nearby listed buildings

  • II Tawelfan
    Situated immediately S of Cynghordy viaduct.
  • II Capel Gosen
    Situated immediately S of Cynghordy viaduct. Walled forecourt with wrought iron gate.
  • II Cynghordy Hall
    Situated N of Cynghordy village, just E of the minor road to Cynghordy viaduct. High stone wall to
  • II Pantyrhedyn
    Situated NE of Cynghordy village on a track running N off the A483.
  • II Milestone 170m W of Gerddigwynin
    Situated on S side of road to Tirabad some 1.3km from Glanbran Arms.

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