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near Cromford, Derbyshire
The name 'Leahurst Aqueduct' is not widely-used, but neither is the alternative 'Leawood Railway Aqueduct'.
This trussed cast iron aqueduct was constructed between 1847 and 1849, to allow the Manchester, Buxton, Matlock and Midlands Junction Railway to pass under the Cromford Canal.
The design has been variously ascribed to George or Robert Stephenson or Thomas Gooch.
On the non-towpath side of the aqueduct sits a long flanged and webbed cast iron beam. This serves no obvious purpose beyond providing an example of the unidentified foundry's capabilities. It was probably intended to support another towpath if the requirement should arise.
Strengthening work was undertaken in 2011, and the towpath was widened and supported from the abutments by steel beams.