Gelli Bridge is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 11 August 1997. Bridge.

Gelli Bridge

WRENN ID
winding-corridor-auburn
Grade
II
Local Planning Authority
Pembrokeshire
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
11 August 1997
Type
Bridge
Address
Gelli Bridge, Llawhaden
OS grid reference
SN 083 195
Coordinates
51.84124, -4.78327
Source
Cadw listing

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

Description

Gelli Bridge is a rubble masonry structure featuring one large semicircular arch and one small semicircular arch, with spans of approximately 7 meters and 4 meters, respectively. Each arch has keystones on both sides. The bridge has a single pier with a cutwater on the upstream side, although the pedestrian refuge above it has been filled in. On the downstream side, there is a large remedial buttress. The bridge's carriageway is 2.4 meters wide between the parapets, which extend further alongside the approach roads at both ends. Notably, the upstream parapet on the right bank integrates with the retaining wall of the river channel.

Local climate

Gelli Bridge sits in a wetter-than-average part of the UK, with an average of 1,130 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 9 freeze-thaw cycles a year, fewer than 92% of listed buildings. Of these, 3 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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  1. Gelli Bridge (partly in Llawhaden community) Grade II 8 m
  2. Longridge Bridge (Partly in New Moat Community) Grade II 245 m
  3. Cleddau Railway Bridge (partly in New Moat Community) Grade II 304 m
  4. Dovecote at Llandre-Egremont Grade II 1.2 km
  5. Llandre-Egremont Farmhouse Grade II 1.3 km
  6. Bethesda Congregational Chapel Grade II 1.8 km
  7. Pen Llwyn House Grade II 1.9 km
  8. Church of Saint Mary Grade II* 2.1 km
  9. Church of St. Aidan Grade II* 2.2 km
  10. Llawhaden Castle Grade I 2.3 km