Dirtagh Bridge, Windyhill Road, Limavady, Co Londonderry is a Grade Record Only listed building in the Causeway Coast and Glens local planning authority area, Northern Ireland. Bridge.

Dirtagh Bridge, Windyhill Road, Limavady, Co Londonderry

WRENN ID
riven-passage-holly
Grade
Record Only
Local Planning Authority
Causeway Coast and Glens
Constituency
East Londonderry MP: Mr Gregory Campbell (DUP)
Country
Northern Ireland
Type
Bridge
Irish grid reference
C 702 262
Coordinates
55.07869, -6.90031
Source
NI Environment Agency listing

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

Description

Dirtagh Bridge is a stone bridge dating from approximately 1780 to 1799, built during the Georgian period. It is located on Windyhill Road, near Limavady, County Londonderry, spanning the River Lynn, a tributary of the Curly River. The bridge, while contributing character to the road, is not considered of sufficient quality to be formally listed.

The bridge is a simple, almost semi-circular arch constructed of rubble stone. It has a span of almost five metres, supported by vertical abutments and long, thin voissoirs of schist. The parapets, 19 metres in length and 900mm high, are topped with pigsback concrete coping that is painted black and white on both sides of the carriageway, which is just over five metres wide.

Historically, the bridge sits upon the old route between Limavady and Coleraine, formerly known as the Murderhole Road and the Long Causeway. It likely replaced an earlier structure and is maintained at county expense, as noted in the Ordnance Survey Memoirs of Ireland. The bridge has recorded industrial archaeological interest.

Local climate

Dirtagh Bridge, Windyhill Road, Limavady, Co Londonderry sits in one of the wettest parts of the UK, with an average of 1,270 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 3 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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