Bridge No. 20, Union Canal is a Grade C listed building in the West Lothian local planning authority area, Scotland. First listed on 13 March 1984.
Bridge No. 20, Union Canal
- WRENN ID
- narrow-bronze-spring
- Grade
- C
- Local Planning Authority
- West Lothian
- Constituency
- Livingston MP: Gregor Poynton (Lab)
- Country
- Scotland
- Date first listed
- 13 March 1984
- OS grid reference
- NT 097 710
- Coordinates
- 55.92374, -3.44523
- Source
- Historic Environment Scotland listing
Description
This is a canal bridge, dating from approximately 1820, designed by engineer Hugh Baird. The bridge features a segmental arch constructed with courses of stone, and has slab copings. Numbers are inscribed on the keystones. The Union Canal is designated a Scheduled Ancient Monument (SAM No. 4170), having been scheduled on 15 December 2003. The bridge is located near Muirend.
Local climate
Bridge No. 20, Union Canal 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 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 58% of listed buildings.
It experiences an average of 49 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 29 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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