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Misty reflections

Designed by Mott, Hay and Anderson and built by local company Dorman Long, who have also been responsible for such structures as the Tyne Bridge and Sydney Harbour Bridge, it was the first large vertical lift bridge in Britain. The bridge was inaugurated by the then Prince Albert, Duke of York (later King George VI) and opened to traffic on 28 February 1934. Constructed around twin 55 m (180 ft) lifting towers, the 82 m (269 ft) bridge span, weighing 2,700 tonnes, could be lifted by the use of two 325 H.P. electric motors at 16 m (52 ft) per minute to a maximum height of 37 m (121 ft). In the event of motor failure a standby 450 H.P. petrol engine could be employed to move the bridge, but should both systems fail it was possible to raise or lower the span manually using a winch mechanism. It was estimated in 1963 by Mr R. Batty, long time Bridge Master at Newport Bridge, that "it would take 12 men eight hours" to complete the movement by hand.

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  • Uploaded on February 16, 2015
  • © All Rights Reserved
    by Stuart Wright