Bridge No. 21, 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. 21, Union Canal
- WRENN ID
- inner-rampart-sepia
- 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 092 710
- Coordinates
- 55.92411, -3.45393
- Source
- Historic Environment Scotland listing
Description
This is a canal bridge, likely dating from around 1820 and engineered by Hugh Baird. It features a segmental arch constructed with stone courses and slab copings. Numbers are carved into the keystones. The Union Canal itself is a Scheduled Ancient Monument (SAM No. 4170), protected by law since 15 December 2003, and this bridge is situated near the location of Lookaboutye.
Local climate
Bridge No. 21, Union Canal sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 52 freeze-thaw cycles a year, more than 93% of listed buildings. Of these, 31 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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