This cast iron arch bridge is noted for its unique arch rib design and
decorative shields. The cast iron lattice spandrels also frame decorative
shields of the City of York.
The cast iron arches appear to have been structurally supplemented by steel
stringers added in 1994. These stringers and deck were raised six inches ca.
2016 to prevent deflection from causing damage to the cast iron arches.
The historic and structural integrity of the cast iron arches themselves is
Official Heritage Listing Information and Findings
Listed At: Grade II
List Entry Number: 1293791
Bridge over River
Swale. c.1888, restored 1984. Cast-iron bridge supported on ashlar
abutments. Segmental single-spin arch composed of slender girders, some
with open trellis-work pattern. Spandrels with shield of the City of
York. Trellis-work to parapet. Abutments: plain parapets, copings and
terminals. A report on the condition of Thornton Bridge in 1888
described it as an 'old and infirm' stone structure. The old bridge was
of 3 arches and was described by Leland in the C17. This crossing of the
Swale has considerable local historical importance. The restoration in
1984 involved the rebuilding of the deck but retention of original
facade. N Pevsner, The Buildings of England: North Yorkshire, 1966,
p.369. North Yorkshire County Council Archives Department: records of
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