Deepdale Viaduct under construction, County Durham, c 1858.
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This lattice girder viaduct, supported by cast iron piers, was designed by Thomas Bouch for the South Durham & Lancashire Union Railway's line between Barnard Castle and Tebay (usually known as the Stainmore Route). The masonry contractor was D P Appleby and the ironwork was by Kennaird & Co. The viaduct, which crosed Deepdale Beck, was 740 foot long and 161 foot high.