Winston's Bridge

I was confounded by my brother when he asked me which was the world's most heavily used bridge.I took a few shots at the answer but got em all wrong.Here are the ones Ive guessed -

1) Sydney Harbour Bridge

One of the most amazing man made marvels regulating land and sea traffic.

It aint the one.

2) Brooklyn Bridge

Romanticized infinite number of times,could this suspension marvel be the one?Apparently no.

3) The Tower Bridge - UK

Brilliant colonial architecture and very reminiscent of the English style.

Nope.Wrong answer.

4) The Golden Gate Bridge - San Francisco

Depicted in so many movies and one of the most identifiable pictures of America,this has got to be the answer: atleast that's what I thought.

So,if it aint any one of the above,then which one is it?

Thanks to one of his college faculty,we did get to the bottom of the mystery.The winner is apparently called Winston's Bridge and this is what it looks like - 

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Quad Erat Demonstrandum.