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Workhouse Bridge (Canal Bridge No 136)

A Grade II Listed Building in Llangynidr, Powys

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Latitude: 51.8703 / 51°52'13"N

Longitude: -3.2589 / 3°15'32"W

OS Eastings: 313418

OS Northings: 219834

OS Grid: SO134198

Mapcode National: GBR YV.SB8K

Mapcode Global: VH6CF.G8H1

Entry Name: Workhouse Bridge (Canal Bridge No 136)

Listing Date: 28 August 1998

Last Amended: 28 August 1998

Grade: II

Source: Cadw

Source ID: 20374

Building Class: Transport

Location: On a private road S of B4558 and accessible by footpath. (See RecNo. 21109 (Talybont on Usk community))

County: Powys

Community: Llangynidr

Community: Llangynidr

Locality: Cwm Crawnon

Built-Up Area: Llangynidr

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, with round arch and low parapet. The arch has thin voussoirs and keystone on E side. 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. On W side stone steps are added to towpath.

Reasons for Listing

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

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