Bridge Over River Kenwyn and Adjoining Bridge Over Leat, Walls and Steps is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 30 July 1993. Bridge.

Bridge Over River Kenwyn and Adjoining Bridge Over Leat, Walls and Steps

WRENN ID
guardian-stronghold-acorn
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
30 July 1993
Type
Bridge
Address
Bridge Over River Kenwyn and Adjoining Bridge Over Leat, Walls and Steps, TR1 3AJ
OS grid reference
SW 822 449
Coordinates
50.26397, -5.05635
Source
Historic England listing

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

Description

This is a road bridge over the River Kenwyn, built in the 1830s, along with an adjoining bridge over a leat, including the walls and steps associated with them. The structure is made of killas rubble with granite dressings. It features a single-span bridge over the river and a single-span bridge over the leat, with steps leading down to a watering place on the east side of the leat bridge. The bridges have round-headed arches made of granite voussoirs, along with granite string courses, copings, and steps.

Local climate

Bridge Over River Kenwyn and Adjoining Bridge Over Leat, Walls and Steps receives an average of 890 mm of rain a year. This makes it wetter than 66% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 2 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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  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
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