Lancaster Canal Dolphinlee Bridge (Number 105) is a Grade II listed building in the Lancaster local planning authority area, England. First listed on 13 March 1995. Bridge.

Lancaster Canal Dolphinlee Bridge (Number 105)

WRENN ID
outer-mullion-auburn
Grade
II
Local Planning Authority
Lancaster
Constituency
Lancaster and Wyre MP: Cat Smith (Lab)
Country
England
Date first listed
13 March 1995
Type
Bridge
Address
Lancaster Canal Dolphinlee Bridge (Number 105), Caton Road
OS grid reference
SD 486 631
Coordinates
54.06157, -2.78676
Source
Historic England listing

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

Description

Dolphinlee Bridge (Number 105) is an accommodation bridge built around 1797, designed by engineer John Rennie for the Lancaster Canal Company. The bridge is constructed of coursed squared sandstone and features a semi-elliptical arch with a triple keystone, where the central part is rock-faced. It has a band and parapets with rounded copings and rectangular terminals. At the water line on the side of the towpath wall, and on the opposite side of the arch, there are segment-headed recesses with a central slot. These recesses were created to hold temporary shuttering to isolate sections of the canal, helping to prevent water loss during repairs or in the event of a breach.

Local climate

Lancaster Canal Dolphinlee Bridge (Number 105) sits in one of the wettest parts of the UK, with an average of 1,400 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 69% of listed buildings. Of these, 12 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.

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