The Forth Road Bridge and the amazing wobble.

September 12, 2009

The Forth Road Bridge is an amazing engineering feat. It runs from South Queensferry on the Edinburgh side to North Queensferry on the Fife side. It was built in 1964 and was the fourth longest suspension brisdge in the world at the time, and the longest outside the US of A. It also looks great, as you can see below.

The Forth Road Bridge spans the Firth of Forth

The Forth Road Bridge spans the Firth of Forth

But that’s not what’s made me write about it. It stands in the shadow of its more famous neighbour, the Forth Bridge. The Forth Bridge is the cantilever rail bridge and is one of Scotland’s most recognisable landmarks.
The Road Bridge enjoyed a little bit of the limelight as it celebrated its 45th birthday at the beginning of September and they released a film as a way of marking the anniversary. It’s mostly the usual fare of shots of the structure, some shots of it being constructed and traffic moving across. But there are a couple of amazing sequences. At about 1 minute 13 seconds in and then again at about 1 minute 30 seconds in you can see the amount the bridge moves vertically as the wind and the traffic volume alter the very aspects of the bridge. It’s really amazing to see just how far it moves. You can see it by clicking here.
Those of you of a nervous disposition or anyone who’s not too keen on travelling across bridges should probably give it a miss.

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