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Road bridge below Claerwen dam (partly in Rhayader community)

A Grade II Listed Building in Llanwrthwl, Powys

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Latitude: 52.2572 / 52°15'26"N

Longitude: -3.6578 / 3°39'28"W

OS Eastings: 286939

OS Northings: 263412

OS Grid: SN869634

Mapcode National: GBR 9B.ZVDG

Mapcode Global: VH5CT.KJ3G

Plus Code: 9C4R784R+VV

Entry Name: Road bridge below Claerwen dam (partly in Rhayader community)

Listing Date: 14 November 2000

Last Amended: 14 November 2000

Grade: II

Source: Cadw

Source ID: 24392

Building Class: Transport

Location: On the S side of Claerwen dam and carrying the road to Cerrigcwplau Farm.

County: Powys

Community: Llanwrthwl

Community: Llanwrthwl

Locality: Elan Valley

Traditional County: Brecknockshire

Tagged with: Road bridge

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Built in conjunction with the Claerwen Reservoir, constructed by the City of Birmingham Water Department 1946-52. The consulting engineers were Sir William Halcrow & Partners. The contractor was Edmund Nuttall Sons & Co of London.


A single-carriageway reinforced concrete bridge faced with rock-faced stone. It has a single segmental arch. The flat deck has a parapet with concrete intermediate and terminal piers and steel railings.

Reasons for Listing

Listed for group value with Claerwen dam.

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

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