Nairn Viaduct Over River Nairn, Clava is a Grade A listed building in the Highland local planning authority area, Scotland. First listed on 5 October 1971. Viaduct.

Nairn Viaduct Over River Nairn, Clava

WRENN ID
cold-hinge-merlin
Grade
A
Local Planning Authority
Highland
Constituency
Inverness, Skye and West Ross-shire MP: Mr Angus MacDonald (LD)
Country
Scotland
Date first listed
5 October 1971
Type
Viaduct
OS grid reference
NH 764 449
Coordinates
57.47808, -4.0627
Source
Historic Environment Scotland listing

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

Description

Nairn Viaduct, located over the River Nairn in Clava, was opened in 1898 and designed by engineer Murdoch Paterson. This impressive structure features a high, 29-span design made of bullfaced red dressed rubble with tooled ashlar dressings. The arch rings, which are also made of tooled ashlar, are round-headed, with each measuring 50 feet, except for the arch crossing the River Nairn, which measures 100 feet. The south end of the viaduct is curved to align the approach with the hillside. In total, the viaduct measures 1,800 feet (549 meters) in length.

Local climate

Nairn Viaduct Over River Nairn, Clava sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 72% of listed buildings.

It experiences an average of 55 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 38 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°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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