Lancaster Canal Carr Lane Bridge (That Part in Lancaster District) is a Grade II listed building in the Lancaster local planning authority area, England. First listed on 30 November 1970. Bridge.

Lancaster Canal Carr Lane Bridge (That Part in Lancaster District)

WRENN ID
unlit-groin-summer
Grade
II
Local Planning Authority
Lancaster
Constituency
Lancaster and Wyre MP: Cat Smith (Lab)
Country
England
Date first listed
30 November 1970
Type
Bridge
Address
Lancaster Canal Carr Lane Bridge (That Part in Lancaster District), 93, Broken Back Lane, Thurnham
OS grid reference
SD 471 585
Coordinates
54.02033, -2.80842
Source
Historic England listing

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

Description

Carr Lane Bridge, also known as Broken-Back Bridge, is a public road bridge over the Deep Cutting of the Lancaster Canal, which opened in 1797, likely designed by engineer John Rennie. The bridge is constructed of coursed squared sandstone and has a concave shape with slightly battered abutments. It features a semi-elliptical arch with a triple keystone. A band on the bridge indicates the original road level, which falls towards the center, creating the appearance that the arch has broken. The road surface has been raised, and the parapets, which have rounded copings and rectangular terminals, have been rebuilt. These parapets are pierced at the center with railings, likely to aid in draining the roadway. The bridge has been commonly referred to as Broken-Back Bridge for a long time, and this nickname has likely influenced the name of the lane it carries, originally known as Carr Lane. Part of this bridge is located in Thurnham civil parish.

Local climate

Lancaster Canal Carr Lane Bridge (That Part in Lancaster District) sits in one of the wettest parts of the UK, with an average of 1,370 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 97% 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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