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Canal bridge at Top Lock on Monmouthshire and Brecon Canal

A Grade II Listed Building in Llantarnam, Torfaen

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Latitude: 51.6364 / 51°38'11"N

Longitude: -3.0252 / 3°1'30"W

OS Eastings: 329144

OS Northings: 193566

OS Grid: ST291935

Mapcode National: GBR J4.83RP

Mapcode Global: VH7B5.J41C

Entry Name: Canal bridge at Top Lock on Monmouthshire and Brecon Canal

Listing Date: 30 September 2003

Last Amended: 30 September 2003

Grade: II

Source: Cadw

Source ID: 81864

Location: On the S side of Top Lock some 100m N of Hollybush Way.

County: Torfaen

Town: Cwmbran

Community: Llantarnam

Community: Llantarnam

Built-Up Area: Cwmbran

Traditional County: Monmouthshire

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Late C18 canal bridge on the Monmouthshire Canal which was a prime factor in the industrial development of the Gwent Valleys. Built by Thomas Dadford Junior, 1792-9, the canal ran between Newport and Pontnewynydd, with a branch between Crindau and Crumlin. Top Lock is the N most of the Ty Coch flight of seven locks S of Cwmbran.


Hump-backed canal bridge, built into canal lock to N. Rubblestone with single segmental arch of dressed sandstone voussoirs and parapets with flat coping repaired in cement in C20. Abutments splay outwards on each side to square piers. Cement deck.

Reasons for Listing

Included for historic transport interest as a late C18 canal bridge retaining its character.

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