Altnaslanach Viaduct
Last surviving timber bridge on a main line in Britain
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Near Moy, Inverness
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The construction of the Highland Railway's shortened route from Inverness to Perth involved crossing low lying country before climbing to the summit of Schlochd at 1315 ft.
In 1897 a timber bridge was constructed over boggy ground near Loch Moy and the nature of the terrain was such that only a light-weight timber structure was feasible.
Symapathetically refurbished in 2002 with reinforced concrete deck and piers supporting the track, receiving a Saltire Civil Engineering Conservation Commendation,
it remains the only timber bridge on a British main line and is Listed Grade A.
By road: Off B9154 north of Moy, 5 miles north of Tomatin.
Biddle, Gordon, Britain's Historic Railway Buildings, Oxford University Press, ISBN-10: 0198662475 (2003)
Biddle, Gordon & Nock, O.S., The Railway Heritage of Britain : 150 years of railway architecture and engineering, Studio Editions, ISBN-10: 1851705953 (1990)
Ross, David. The Highland Railway. Tempus. ISBN 0 7524 3479 9 (2005)
Sinclair, N. The Highland Main Line. Atlantic. ISBN 978 89068 999 60 (1998)
Altnaslanach Bridge- detailed engineering drawings of elevations, plans and sections of the Altnaslanach Bridge.
Am Baile Highland History and Culture - Highland Railway Society Collection: plans of stations, engines, viaducts.