History in Structure

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Clawdd-du Bridge

A Grade II* Listed Building in Monmouth, Monmouthshire

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Latitude: 51.8075 / 51°48'26"N

Longitude: -2.723 / 2°43'22"W

OS Eastings: 350249

OS Northings: 212339

OS Grid: SO502123

Mapcode National: GBR FK.XC66

Mapcode Global: VH86T.RTBR

Entry Name: Clawdd-du Bridge

Listing Date: 15 August 1974

Last Amended: 10 August 2005

Grade: II*

Source: Cadw

Source ID: 2219

Building Class: Transport

Location: On a footpath going south-west from St. Thomas' Square where it crosses the ditch which protected the suburb of Overmonnow.

County: Monmouthshire

Town: Monmouth

Community: Monmouth (Trefynwy)

Community: Monmouth

Locality: Overmonnow

Built-Up Area: Monmouth

Traditional County: Monmouthshire

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Medieval footbridge spanning the ditch which once provided the outer defences of Over Monnow, and through which waters of the River Monnow would have been diverted in times of threat. There was probably a bridge here in the C14 when the outer defences were strengthened against the threat of Welsh insurgency and to protect the increasingly populous suburb of Over Monnow. It might be expected that the first bridge would have been a timber one which could easily be removed and that the permanent stone one would only have been built in less troubled times. The present bridge appears late medieval-C17 in character and has undergone various repairs and rebuildings, including ones in the late C20.


Random rubble stone with neatly built arches. Two arches supporting paved roadway which now has no masonry parapet although it may have done so formerly. Pointed cutwater with refuge on both sides. Tubular steel railings erected c1990.

Reasons for Listing

Included and highly graded as a rare example of medieval town defence outworks.
Scheduled Ancient Monument; MM036(MON).

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