Knowe Bridge, Traquair is a Grade B listed building in the Scottish Borders local planning authority area, Scotland. First listed on 23 February 1971. Bridge.

Knowe Bridge, Traquair

WRENN ID
low-cobble-thistle
Grade
B
Local Planning Authority
Scottish Borders
Constituency
Dumfriesshire, Clydesdale and Tweeddale MP: David Mundell (Con)
Country
Scotland
Date first listed
23 February 1971
Type
Bridge
OS grid reference
NT 328 348
Coordinates
55.60218, -3.06729
Source
Historic Environment Scotland listing

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

Description

Knowe Bridge, built around 1770, is a single segmental-arch bridge that spans the Quair Water. It features a high stone parapet, and the approaches are splayed, ending in rough circular piers. The bridge is constructed from whinstone rubble with dressed whinstone voussoirs.

On the northeast and southwest elevations, the wide segmental arch is made of dressed whinstone voussoirs, with a rubble intrados on the main bridge. The plain rubble spandrels lead up to the parapet wall, which is topped with rough semi-circular whinstone copes. The plain splayed wing walls also end in crude circular piers, which have roughly hewn circular whinstone caps on top. The bridge carries a tarmacadam road.

Local climate

Knowe Bridge, Traquair sits in a wetter-than-average part of the UK, with an average of 1,070 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.

It experiences an average of 65 freeze-thaw cycles a year, more than 99% of listed buildings. Of these, 43 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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