History

Aqueduct carrying the Brecon & Abergavenny Canal over the Usk. the canal was empowered by an act of 1793, work began 1797, the last ten miles to Brecon completed 1800. The original surveyor for the canal was Thomas Dadford Sr, engineer to the Monmouthshire Canal and his sons John and Thomas Jr supervised the work. Thomas Dadford Jr probably designed this aqueduct. Renovated 1996-7.

Exterior

Canal aqueduct, rubble stone, four broad elliptical arches with stone voussoirs, some arches lined in black brick (late C19 or early C20). Low piers of squared stone with cutwaters, raised band at level of arch springing, then cutwaters continue up and are then chamfered off at height of arch crowns. Above are flat piers reaching up to just below level of base of parapet. Raised piers each side of outer arches and ends curve outward. Parapet is on the W side only.

Reasons for Listing

Graded II* as one of the major engineering achievements of the South Wales canals.

External Links

• Cadwr Listing
• Wikidata Q17740055

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.

Recommended Books

• 
  Historic Environment Law: Planning, Listed Buildings, Monuments, Conservation Areas and Objects, Supplement 2014
• 
  Sussex: West (Pevsner Architectural Guides: Buildings of England)
• 
  Old House Handbook: A Practical Guide to Care and Repair by Hunt. Roger ( 2008 ) Hardcover
• 
  Bedfordshire, Huntingdonshire, and Peterborough (Pevsner Architectural Guides): Written by Charles O'Brien, 2014 Edition, Publisher: Yale University Press [Hardcover]
• 
  Worcestershire Revised Edition (Buildings of England) (Pevsner Architectural Guides: Buildings of England)
• 
  Harrow on the Hill: A photographic portrayal of listed buildings and structures (Historic Buildings Picture Guides)