Bridge Over River Fillan, Drochaid Bhan, Dalrigh is a Grade B listed building in the Loch Lomond and the Trossachs National Park local planning authority area, Scotland. First listed on 4 May 2006. Bridge.

Bridge Over River Fillan, Drochaid Bhan, Dalrigh

WRENN ID
frozen-vault-sedge
Grade
B
Local Planning Authority
Loch Lomond and the Trossachs National Park
Constituency
Stirling and Strathallan MP: Chris Kane (Lab)
Country
Scotland
Date first listed
4 May 2006
Type
Bridge
OS grid reference
NN 345 288
Coordinates
56.42256, -4.68431
Source
Historic Environment Scotland listing

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

Description

The bridge over the River Fillan at Drochaid Bhan in Dalrigh is an impressive rubble stone structure, likely dating from the 18th century. It is situated a short distance east of the hamlet of Dalrigh and features three segmental-arched spans, with the inner span being wider than the outer ones, supported by cutwater piers. This bridge is part of the 1748-53 Stirling to Fort William military road constructed by Caulfield, making it an important landmark in the landscape and a significant reminder of the engineering skills used in the creation of this highway.

Local climate

Bridge Over River Fillan, Drochaid Bhan, Dalrigh sits in one of the wettest parts of the UK, with an average of 2,000 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 77 freeze-thaw cycles a year, more than 99% of listed buildings. Of these, 58 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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