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Croal Viaduct
A666, Bolton, Greater Manchester
associated engineer
Charles Blacker Vignoles
date  1847
era  Victorian  |  category  Railway Viaduct  |  reference  SD722093
ICE reference number  HEW 251
A cast iron and stone railway viaduct over a dual carriageway, a culverted river and a filled-in canal in Bolton. It has four main iron arches that have 76ft skew spans and rise 13ft.
The iron arches have six ribs each, made up of three segments, and transverse tie-rods for bracing, plus barrel struts. The spandrels feature plain vertical iron work.
The viaduct has six more arches, built as segmental stone. Each spans 36ft and rises 12ft. Two of the masonry piers have steel collars fitted for strengthening.
Ironwork: Ogle & Son, Preston
reference sources   CEH North
Location

Croal Viaduct