Railway Bridge, Old Ballygowan Road, Carnasure, Comber, Co Down is a listed building in the Ards and North Down local planning authority area, Northern Ireland.

Railway Bridge, Old Ballygowan Road, Carnasure, Comber, Co Down

WRENN ID
graven-steel-willow
Grade
Local Planning Authority
Ards and North Down
Constituency
Strangford MP: Jim Shannon (DUP)
Country
Northern Ireland
Irish grid reference
J 456 690
Coordinates
54.54874, -5.75061
Source
NI Environment Agency listing

Also on this page: radon risk · weather exposure · detailed attributes ↓

Description

The site represents a former road bridge, likely constructed between 1840 and 1859, which once carried the Old Ballygowan Road over the Belfast & Co. Down railway line, located approximately one mile southwest of Comber town centre in the townland of Carnasure, County Down. The bridge was built to accommodate the new railway line being constructed between Comber and Downpatrick (officially opening in March 1859), requiring a slight realignment of the Old Ballygowan Road. The bridge was described in 1973 as a skew bridge built of dark stone rubble with dressed voussoirs, a segmental arch, and battered abutments, featuring dressed coping to the parapets. At the time of the description, the condition was fair, although overgrown, with the railway cutting underneath being used as a rubbish tip. The railway line was abandoned in 1950, and the bridge was subsequently demolished sometime after 1973; the road itself has been straightened, returning to its original route predating the railway. Although no longer extant, it retains industrial archaeological interest. Primary sources consulted include an Ordnance Survey map from 1858 and publications by W.A. McCutcheon and Desmond Coakham.

Local climate

Railway Bridge, Old Ballygowan Road, Carnasure, Comber, Co Down sits in a wetter-than-average part of the UK, with an average of 990 mm of rain a year. This makes it wetter than 79% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.

It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 4 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • No EPC on record for this property
  • No sale records on file
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  • Detailed attributes — period, style, materials, features
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  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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