Nith Bridge, Thornhill is a Grade A listed building in the Dumfries and Galloway local planning authority area, Scotland. First listed on 3 August 1971. Bridge. 1 related planning application.

Nith Bridge, Thornhill

WRENN ID
little-ledge-weasel
Grade
A
Local Planning Authority
Dumfries and Galloway
Constituency
Dumfriesshire, Clydesdale and Tweeddale MP: David Mundell (Con)
Country
Scotland
Date first listed
3 August 1971
Type
Bridge
OS grid reference
NX 870 954
Coordinates
55.24055, -3.77745
Source
Historic Environment Scotland listing

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

Description

Nith Bridge in Thornhill is a road bridge that began construction around 1774 but collapsed in 1776 and was rebuilt in 1778. It was strengthened between 1930 and 1931. The bridge features two large segmental arches spanning the River Nith, all constructed from red ashlar stone. It has recessed arch rings and pointed central cutwaters that rise to form pedestrian refuges. The parapets are widened over massive abutments, which are buttressed, and the bridge includes square piers topped with pyramidal caps.

Local climate

Nith Bridge, Thornhill sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 58 freeze-thaw cycles a year, more than 97% of listed buildings. Of these, 33 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 1 application
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • 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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