Old Road Bridge, River Nethan, Lesmahagow is a Grade B listed building in the South Lanarkshire local planning authority area, Scotland. First listed on 11 May 1989.
Old Road Bridge, River Nethan, Lesmahagow
- WRENN ID
- grim-stair-ebony
- Grade
- B
- Local Planning Authority
- South Lanarkshire
- Constituency
- Hamilton and Clyde Valley MP: Imogen Walker (Lab)
- Country
- Scotland
- Date first listed
- 11 May 1989
- OS grid reference
- NS 814 405
- Coordinates
- 55.64393, -3.88506
- Source
- Historic Environment Scotland listing
Description
This is a disused road bridge, appearing to date from the early 19th century. It may have been constructed along the route of Thomas Telford's Glasgow-Carlisle road, built in the 1820s. The bridge features a single, segmental arch spanning the River Nethan. It is constructed of rubble with ashlar dressings, characterised by channelled voussoirs. The abutments have a shallow ramped form, and the ashlar parapets are splayed towards the approaches. The bridge is currently in a neglected condition.
Local climate
Old Road Bridge, River Nethan, Lesmahagow 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 93% 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 56 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 34 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
- No related consent applications matched
- 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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