Question five: Newport Bridge was the first
vertical lift bridge in England and was powered by two 325hp electric motors.
The route will stop off at Tees Barrage before continuing across Newport Bridge, the world's largest
vertical lift bridge, to the Wildlife Trust nature reserves.
They would have been most interested on being told that it was unique in Britain -being the only
vertical lift bridge with its 2,700 ton frame being raised to the top of the towers.
The structure, Britain's first
vertical lift bridge, will make its mark on the landscape after being fitted with a pounds 175,000 lighting system.
Some of Henderson's other famous projects include the Thousand Islands and Quebec Bridges over the Saint Lawrence River between New York and Ontario and the
vertical lift bridges over the Welland Canal to connect Lakes Ontario and Erie in Ontario.
In the case of
vertical lift bridges, steel cables anchored to the lift span extend up the lift towers and over large gear wheels, called sheaves.