Isla Viaduct
From Graces Guide
No longer extant. The piers and abutments remain. 2014 photo here.
The Isla Viaduct served the former Blairgowrie Branch Railway just north of Coupar Angus.
Rebuilt by Oliver and Arrol of Edinburgh, as part of a programme of work undertaken by Thomas R. Barr. The programme also included Glenury Viaduct. The original Isla Viaduct had twelve 30 ft timber spans. These were replaced by five wrought iron bowstring girders of 57 ft, and one of 47 ft clear span, supported by cast iron cylindrical piers, sunk to solid foundations.
The replacement of the Isla and the Earn Viaduct were addressed in Engineering in 1892, although the emphasis was on the Earn Viaduct [1]
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