Description

SOUTHWARK

TQ3374SE JOINER STREET
636-1/17/869 Bridge over north end, London Bridge
08/01/98 Station

II

Bridge. 6 composite cast- and wrought-iron trusses built to
James Warren's 1848 patent. Reconstructed after collapse of
newly-built original in 1850. Constructed to carry extension
to London Bridge Station forecourt. Converted to pedestrian
use in 1890.
Span varying from approx 15m to approx 21m, depth approx 1.6m.
Spaced at approx 4.2m centres, beneath flat-soffit, solid deck
of original cast-iron plates. Comprised of individual panels
of cast-iron in form of 60 degree triangles, bolted together
at top corner to form chord. Downward pointing apexes pinned
to bottom chord of wrought-iron flat chain, each approx 152mm
x 3mm (6in x 5/8in).
A rare survival of a structure assembled from cast- and
wrought-iron components forming a Warren truss. Illustrative
of structural thinking in the 1840s, in which the two forms of
iron were used compositely. The tendency of cast-iron to
fracture led to a preference for wrought-iron in such
situations.

Listing NGR: TQ3290080260

External Links

• Historic England Listing
• Wikidata Q26665402

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

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