Denwick Bridge Over River Aln is a Grade I listed building in the Northumberland local planning authority area, England. First listed on 10 January 1953. A C18 Bridge.

Denwick Bridge Over River Aln

WRENN ID
keen-oriel-ivory
Grade
I
Local Planning Authority
Northumberland
Constituency
North Northumberland MP: David Smith (Lab)
Country
England
Date first listed
10 January 1953
Type
Bridge
Address
Denwick Bridge Over River Aln, B 1340, Alnwick
OS grid reference
NU 197 138
Coordinates
55.41784, -1.68958
Source
Historic England listing

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

Description

Denwick Bridge over the River Aln, dated 1766 and possibly designed by Robert Mylne, is a Grade I listed bridge. It is constructed of squared stone with ashlar dressings in a Gothick style. The bridge features a single round arch that has a chamfer and a moulded ring. The west face displays semi-octagonal projections on either side of the arch, with cusped circles in the spandrels that bear shields featuring the Percy lion on the left and five fusils of old Percy on the right. A moulded dentil cornice runs along the top, supported by two corbels, each adorned with a Percy crescent and the date in Roman numerals. The flanking projections also have a cornice on an arched corbel table. The openwork parapet is designed with interlinked crescents and has a flat moulded coping made of blocks connected by metal clamps. The east face is simpler, featuring a stepped arch and dentil cornice, flanked by pilasters. The north side has splayed wing walls with chamfered coping.

Local climate

Denwick Bridge Over River Aln receives an average of 830 mm of rain a year. This makes it wetter than 53% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 58% of listed buildings.

It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 8 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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