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Aberhoyw Bridge (Canal Bridge No 126)

A Grade II Listed Building in Llangynidr, Powys

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Latitude: 51.8679 / 51°52'4"N

Longitude: -3.209 / 3°12'32"W

OS Eastings: 316853

OS Northings: 219502

OS Grid: SO168195

Mapcode National: GBR YX.SJND

Mapcode Global: VH6CG.B9DX

Entry Name: Aberhoyw Bridge (Canal Bridge No 126)

Listing Date: 28 August 1998

Last Amended: 28 August 1998

Grade: II

Source: Cadw

Source ID: 20365

Building Class: Transport

Location: On N side of B4558 and on W side of Danywern.

County: Powys

Community: Llangynidr

Community: Llangynidr

Locality: Cyffredyn

Traditional County: Brecknockshire

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The Brecknock and Abergavenny Canal was promoted in 1792 to connect the upper Usk valley with the Monmouthshire Canal at Pontymoile and from there to the sea at Newport. The first section, between Gilwern and Talybont and including Llangynidr, was cut between 1797 and 1799, with the upper section between Talybont and Brecon opened in 1800, both sections engineered by Thomas Dadford. The lower section between Gilwern and Pontymoile was completed in 1812 and was engineered by William Crosley. In 1865 the Brecknock and Abergavenny and the Monmouthshire Canals merged to become the Monmouthshire and Brecon Canal, which was later incorporated into the Great Western Railway. The last toll was taken on the canal at Llangynidr in 1933. Restoration of the canal began in 1964.


Hump-backed bridge of rubble sandstone. A segmental arch has keystones and thin voussoirs, and low parapet. The abutments curve outwards on both sides and the parapet has square end piers. On the E side is a cast iron plaque with the bridge number cast in relief.

Reasons for Listing

Listed for its special interest as an original Brecknock and Abergavenny Canal bridge.

Other nearby listed buildings

  • II Danywern
    Approximately 1.4km E of Llangynidr church on N side of B4558 immediately E of Cyffredyn Lane, and on S side of Monmouthshire and Brecon Canal.
  • II Aberhoyw Cottage
    Approximately 1.4km E of Llangynidr church and 50m E of junction of minor road to Aberhoyw
  • II Aberhoyw
    Approximately 1.3km ENE of Llangynidr church on S side of a minor road through Cyffredyn.
  • II Old House Bridge (Canal Bridge No 127)
    On N side of B4558 and accessible only from towpath.
  • II Cyffredyn Cottage
    Approximately 1.1km NNE of Llangynidr church, on N side and set back from Cyffredyn Lane.
  • II South Terrace at Gliffaes
    On the S side of Gliffaes above a steep embankment to the River Usk
  • II Gliffaes
    On N bank of River Usk and reached by private drive S of a minor road on S side of Myarth Hill.
  • II Usk Cottage
    Approximately 1.1km NNE of Llangynidr church on S side of Cyffredyn Lane.

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