[The Cat Crept In]

Britannia Bridge is a bridge across the Menai Strait between the island of Anglesey and the mainland of Wales. It was originally designed and built by Robert Stephenson as a tubular bridge of wrought iron rectangular box-section spans for carrying rail traffic. Following a fire in 1970 it was rebuilt as a two-tier steel truss arch bridge, carrying both road and rail traffic.
The bridge was decorated by four large lions sculpted in limestone by John Thomas, two at either end.
During the evening of 23 May 1970 the bridge was greatly damaged when boys playing inside the bridge dropped a burning torch, setting alight the tar-coated wooden roof of the tubes. Despite the best efforts of the Caernarfonshire and Anglesey fire brigades, the bridge's height, construction and the lack of an adequate water supply meant they were unable to control the fire which spread all the way across from the mainland to the Anglesey side. After the fire had burned itself out the bridge was still standing but the structural integrity of the iron tubes had been fatally compromised by the intense heat. As a consequence the bridge was completely rebuilt by Husband & Co..

The new design was for an arched bridge. Concrete supports were built under the approach spans and steel archways constructed under the long spans either side of the central Britannia Tower. The bridge reopened to rail traffic (albeit with only a single line of rails and with reduced speed) on 30 January 1972. Over subsequent months the original box tubes were removed and the stonework of the towers was restored. The original deck below the rail lines was cosmetically restored.

In 1980, almost 10 years after the fire, the upper road level opened which carried a single-carriageway section of the A55 road.











































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