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Railway Bridge over River Irfon

A Grade II Listed Building in Llanwrtyd Wells, Powys

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Latitude: 52.1031 / 52°6'11"N

Longitude: -3.6368 / 3°38'12"W

OS Eastings: 287990

OS Northings: 246237

OS Grid: SN879462

Mapcode National: GBR YC.9LJW

Mapcode Global: VH5DL.XD7M

Entry Name: Railway Bridge over River Irfon

Listing Date: 19 January 2001

Last Amended: 19 January 2001

Grade: II

Source: Cadw

Source ID: 24528

Building Class: Transport

Location: Located at the SE corner of the Dolwen Fields and surrounded by trees. To the W of Llanwrtyd Wells Station.

County: Powys

Town: Builth Wells

Community: Llanwrtyd Wells (Llanwrtyd)

Community: Llanwrtyd Wells

Traditional County: Brecknockshire

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Llanwrtyd Wells


The Central Wales Extension bill received royal assent in 1860. This section of the line, which runs from Llanwrtyd Wells into Carmarthenshire, was opened for public traffic on 8th October 1868. This bridge is one of the original structures on the Central Wales Extension railway and does not appear to have been altered.


Single-span arched cast iron railway bridge. High segmental arch constructed from substantial jointed I-section beams with open lattice-work to the spandrels. The 2 faces are linked by round-section struts. Flat cantilevered deck; moulded cast iron deck plate supporting iron openwork parapets containing panels with diagonal cross-members. The abutments are of snecked rock-faced stone; the iron arches spring off ledges with dressed stone copings. Stone end piers to bridge with rock-faced capstones and blue brick to interior sides.

Reasons for Listing

Listed for its technical interest as a fine piece of engineering on the Central Wales Extension railway.

Other nearby listed buildings

  • II Llanwrtyd Wells Station & North Platform
    Small station building with large forecourt set below road and sited on the N railway platform. Approx 0.6km SE of the town centre.
  • II Llanwrtyd War Memorial Institute
    Located near the centre of the town and fronting the road. One of a pair of houses, that to the W modernised.
  • II Pont Rhyd y Fferau
    The bridge carries the A483 over the River Irfon in the centre of Llanwrtyd Wells.
  • II Capel Bethel including attached vestries to rear and forecourt wall and railings
    In a prominent location near the centre of the town adjacent to the bridge over the River Irfon. The entrance faces the road (E) and the S side faces Victoria Square. To the W is an adjoining house,
  • II Neuadd Arms Hotel
    Prominently located in the centre of Llanwrtyd Wells and fronting a small square opposite Pont Rhyd y Ferrau.
  • II Dol y Coed
    Situated 0.5km NW of Llanwrtyd Wells between the River Irfon and the mountain road to Abergwesyn. Faces S; path to W leads to former spa buildings.
  • II Former Dol y Coed Pump Room
    Set in the grounds W of the Dol y Coed Hotel and approached by footpaths. Immediately S of the Well-House.
  • II Dol y Coed Well-House
    Set in the grounds W of the Dol y Coed Hotel and approached by footpaths. Immediately N of the former Pump House.

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