Bridge over Mill Lane on former drive to Baron Hill is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 13 July 2005. Bridge.

Bridge over Mill Lane on former drive to Baron Hill

WRENN ID
open-tin-plum
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
13 July 2005
Type
Bridge
Address
Bridge over Mill Lane on former drive to Baron Hill, Beaumaris
OS grid reference
SH 600 759
Coordinates
53.26218, -4.0994
Source
Cadw listing

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

Description

This is a single-carriageway bridge made of rubble stone, located over Mill Lane on the former drive to Baron Hill. The bridge features an elliptical brick arch, with lower and narrower brick arches on either side that are now blocked. The parapet has replacement railings above Mill Lane, while rubble-stone walls are present over the abutments. On the left side of the bridge, there are later, renewed steps that lead from Mill Lane up to the drive.

Local climate

Bridge over Mill Lane on former drive to Baron Hill sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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