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Awe Viaduct, Dalmally

Railway Viaduct (19th Century)

Site Name Awe Viaduct, Dalmally

Classification Railway Viaduct (19th Century)

Alternative Name(s) Loch Awe; Kilchurn; Strath Of Orchy; River Orchy; Callander And Oban Railway Bridge

Canmore ID 128583

Site Number NN12NW 36

NGR NN 13712 28075

Datum OSGB36 - NGR

Permalink http://canmore.org.uk/site/128583

Ordnance Survey licence number AC0000807262. All rights reserved.
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Administrative Areas

  • Council Argyll And Bute
  • Parish Glenorchy And Inishail (Argyll And Bute)
  • Former Region Strathclyde
  • Former District Argyll And Bute
  • Former County Argyll

Archaeology Notes

NN12NW 36 13712 28075

Location formerly entered as NN 1371 2807.

Not to be confused with Awe Viaduct (Taynuilt) over River Awe, near Bonawe (NN 02963 30132), for which see NN03SW 73.

For corresponding road bridge (adjacent to NE), see NN12NW 37.

Callander and Oban Railway Bridge.

Visited and photographed by J R Hume, University of Strathclyde, 1977. Information from MS/749 (filed under Argyll, Glenorchy and Inishail - erroneous parish, MS749/68), photographic contact prints attached H76/97/13, 15.

(Undated) information in NMRS.

(Location cited as NN 137 281). Railway Bridge over Orchy, near Dalmally, opened 1880 by the Callander and Oban Rly. A 7-span lattice girder bridge, on rustic ashlar piers.

J R Hume 1977.

This bridge comprises seven girder spans on masonry piers, and is the longest on the route of the former Callander and Oban Rly. It was built in 1878, the contractors being W and T Adams. It carries the line across the Rover Orchy near its outflow into Loch Awe and about 2 miles [3.2km] beyond [to the W of] Dalmally Station (NN12NE 15).

C E J Fryer 1989.

This bridge carries the Crianlarich-Oban line of the former Caledonian Rly over the River Orchy at the NE corner of Loch Awe, and to the NE of Kilchurn Castle (NN12NW 5). It remains in regular use by passenger traffic, but this portion of the line is prone to disruption by flooding.

The viaduct is depicted, but not noted, on the 1977 edition of the OS 1:10,000 map.

The location assigned to this record defines the approximate midpoint of the structure. The available map evidence suggests that it extends from NN c. 13665 28126 to NN c. 13763 28016.

The river here forms the boundary between the parishes of Glenorchy and Inishail (to the S) and Ardchattan and Muckairn (to the N).

Information from RCAHMS (RJCM), 18 May 2006.

Activities

Construction (1878 - 1879)

Lattice truss viaduct built on CAllander and Oban railway 1878-9

Publication Account (2007)

Awe or Orchy Viaduct (Railway). An impressive double-triangular iron lattice truss viaduct built in 1878–79 on the Callander & Oban Railway crossing the Orchy at the head of Loch Awe 2 miles west of Dalmally. It is the longest viaduct on the line and has seven spans of 63 ft supported on short masonry piers and abutments. The line opened in June 1880.

This final part of the railway to Oban was resurveyed by John Strain of Glasgow who became the engineer in place of Blyth & Cunningham. The contractor for this viaduct was W. & T. Adams.

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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