Tees_(Newport)_Bridge,_Middlesbrough_(geograph_7379398).jpg
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Summary
Description Tees (Newport) Bridge, Middlesbrough (geograph 7379398).jpg |
English:
The Tees (Newport) Bridge was 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.
Constructed around twin 180 ft lifting towers, the 269 ft bridge span, weighing 2,700 tonnes, could be lifted by the use of two 325 H.P. electric motors at (52 ft) per minute to a maximum height of 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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Date | |
Source | From geograph.org.uk |
Author | Colin Park |
Permission
( Reusing this file ) |
Creative Commons Attribution Share-alike license 2.0 |
Attribution
( required by the license )
InfoField
|
Colin Park / Tees (Newport) Bridge, Middlesbrough / |
InfoField
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Colin Park / Tees (Newport) Bridge, Middlesbrough |
Camera location | 54° 34′ 15.6″ N, 1° 15′ 47″ W | View this and other nearby images on: OpenStreetMap | 54.570993; -1.262928 |
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Object location | 54° 34′ 18.4″ N, 1° 15′ 41″ W | View this and other nearby images on: OpenStreetMap | 54.571790; -1.261370 |
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Licensing
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Geograph project
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on the Geograph website for the photographer's contact details. The copyright on this image is owned by
Colin Park
and is licensed for reuse under the
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Attribution:
Colin Park
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