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Welded Bridge, Middlesborough
River Tees, Middlesbrough
Welded Bridge, Middlesborough
associated engineer
Mott Hay & Anderson
date  1934
era  Modern  |  category  Bridge  |  reference  NZ477198
ICE reference number  HEW 2006
photo  Jane Joyce
Thought to be the earliest all-welded bridge in Britain, the Welded Bridge was built as part of the contract for the Newport Lift Bridge in Middlesborough.
The width of the bridge is 55ft and it crosses the railway line, which runs beside the river, at a slight skew.
It has five spans of varying lengths, from 28ft to 64ft wide. The end spans are effectively half spans, ending at the abutments. The spans consist of 9 continuous longitudinal portal frames, which sit on cylinders set 70ft into the ground. The frames are braced at the top ends with reinforced concrete beams.
The portal columns are tapered and rest on rocker bearings, resting in turn on piles.
reference sources   CEH North

Welded Bridge, Middlesborough