History in Structure

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Bridge over Afon Morlais (partly in Llannon Community)

A Grade II Listed Building in Llangennech, Carmarthenshire

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Latitude: 51.7268 / 51°43'36"N

Longitude: -4.1066 / 4°6'23"W

OS Eastings: 254601

OS Northings: 205217

OS Grid: SN546052

Mapcode National: GBR GT.QBW5

Mapcode Global: VH4JM.RVVM

Entry Name: Bridge over Afon Morlais (partly in Llannon Community)

Listing Date: 12 January 1999

Last Amended: 12 January 1999

Grade: II

Source: Cadw

Source ID: 21098

Building Class: Transport

Location: On minor road from Cil Ddewi to Blaenhiraeth, over the Afon Morlais.

County: Carmarthenshire

Community: Llangennech

Community: Llangennech

Locality: Gelliwernen Wood

Traditional County: Carmarthenshire

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A possibly early C19 bridge, on a non-turnpike road.


A two-arch bridge of local rubble masonry with ashlar voussoirs. The main arch is of about 7m span, of deep segmental shape, with tall thin voussoirs. There is a larger projecting stone as keystone on both upstream and downstream faces. The smaller arch is of about 2.5m span, with similar shape and detailing. Large centering bearing holes at the springing line in the larger arch. The pier in the water has starlings upstream and downstream. The carriageway is about 3.6m wide between parapets. The parapets are tall with surviving original round copings on the upstream side; the other coping is mortared. The downstream parapet returns a short distance at the south side.

Reasons for Listing

Picturesque minor vernacular bridge probably of c1800.

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