Nether Bridge is a Grade II* listed building in the Cornwall local planning authority area, England. First listed on 9 January 1986. A Medieval Bridge.

Nether Bridge

WRENN ID
last-portal-laurel
Grade
II*
Local Planning Authority
Cornwall
Constituency
Torridge and Tavistock MP: Sir Geoffrey Cox (Con)
Country
England
Date first listed
9 January 1986
Type
Bridge
Period
Medieval
Address
Nether Bridge, St. Stephens by Launceston Rural
OS grid reference
SX 348 867
Coordinates
50.65682, -4.33776
Source
Historic England listing

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

Description

Nether Bridge is a road bridge over the River Tamar. It has a medieval core but has been thoroughly rebuilt. The structure is made of stone rubble and granite ashlar. It features three spans, with an additional flood span and two tall cutwaters that end in refuges. The arches spring from plain imposts; the central arch is slightly pointed while the outer arches are rounded. The arch rings are made of granite and are slightly recessed, and the bridge is constructed of granite ashlar below the imposts. The flood arch is likely an addition, as a granite string course above the arches does not continue above the flood arch, which is separated from the main spans by a buttress. There is a granite milestone in the center of the bridge marked "L 2," indicating that Launceston is 2 miles away. This bridge is a notable example of a large medieval structure.

Local climate

Nether Bridge sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 84% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% of listed buildings. Of these, 10 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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