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Inveraray Castle Estate, Aray Bridge

Road Bridge (18th Century), Wall (18th Century)

Site Name Inveraray Castle Estate, Aray Bridge

Classification Road Bridge (18th Century), Wall (18th Century)

Alternative Name(s) River Aray; Inveraray Bridge; Military Bridge; Aray Bridge Screen Wall; Loch Fyne; Inveraray Castle Policies

Canmore ID 23359

Site Number NN00NE 23

NGR NN 09816 09052

Datum OSGB36 - NGR


Ordnance Survey licence number 100057073. All rights reserved.
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Administrative Areas

  • Council Argyll And Bute
  • Parish Inveraray
  • Former Region Strathclyde
  • Former District Argyll And Bute
  • Former County Argyll

Archaeology Notes

NN00NE 23 09816 09052

(Formerly scheduled as Aray Bridge screen wall). Descheduled.

Information from Historic Scotland, Certificate of Exclusion from Schedule dated 12 February 2001.


John Adam, 1758 (First bridge)

Robert Mylne, 1771-1773.



Original plans in possession of Duke of Argyll.

(Undated) information in NMRS.

(Location cited as NN 098 091). Aray Bridge, built 1775, architect Robert Mylne. A beautiful two-span bridge, built entirely of dressed stone, with segmental arches and pointed cutwaters. There is a flood relief hole between the arches. The parapets have balustraded end and central parts.

J R Hume 1977.

This bridge carries the A83(T) public road over the River Aray, just NW of the mouth of the river and about 0.25km SE of Inveraray castle (NN00NE 15). It is depicted, but not noted, on the 1977 edition of the OS 1:10,000 map.

Information from RCAHMS (RJCM), 17 May 2006.


Construction (1773 - 1776)

Planned and erected 1773-76 for the Board of Ordnance.

Photographic Survey (April 1963)

Photographic survey by the Scottish National Buildings Record/Ministry of Work in April 1963.

Project (2007)

This project was undertaken to input site information listed in 'Civil Engineering heritage: Scotland - Highlands and Islands' by R Paxton and J Shipway, 2007.

Publication Account (2007)

An architecturally-inspired twin-span segmental masonry arched bridge over the Aray with a conspicuous oculus (cylindrical opening) through the spandrel over the central pier. This feature enables the bridge to escape the unattractive appearance offered by two equal spans of 65 ft, referred to as an ‘unresolved duality’ in architecture.

The bridge was planned and erected from 1773–76. It was designed by Robert Mylne for the Board of Ordnance and the contractor, J. Brown. The Duke of Argyll, whose seat Inveraray Castle overlooks the bridge, is said to have influenced its design, particularly the parapets. The steep approaches must have been a trial to horses pulling heavy carts. The bridge is now operated as a single-lane carriageway controlled by traffic lights.

R Paxton and Jim Shipway 2007b

Reproduced from 'Civil Engineering heritage: Scotland - Highlands and Islands' with kind permission from Thomas Telford Publishers.


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