Engineers have joined the Queensferry Crossing's north deck and viaduct meaning the bridge is now connected to Fife.

It is the first of four closures between the deck fans, which are now nearing completion around each of the bridge's three towers.

Cambridge University Press, 2001.

But also, after you see the bridge on opening day, you'll see an interesting clip of work done by a bridge engineer at Cambridge named Allan McRobie, who figured out what happened on the bridge, and who built a bridge simulator to explain exactly what the problem was.

I should have taken the bridge and not the tunnel.

This is longer than any other bridge in the world.

Michael Martin, Forth Crossing Bridge Constructors project director said The first closure on any bridge project is always a significant milestone.

Despite the massive size and weight of the bridge completing the closure between the viaduct and bridge deck is a delicate operation involving extremely precise tolerances for fit up.

Queensferry Crossing Bridge now connected to Fife

The public, you know, once disoriented can actually ascend to the angel deck above and then just come down under those lips into the water bar.

In 1990, I was in Cambridge, U.K.

Cambridge is the most famous university in the world.

The sleek footbridge swayed unexpectedly and excessively under the feet of pedestrians, and it was deemed too dangerous to use. What should have been a mere extension of the millennia old art of building pedestrian bridges, proved to be a modern engineering embarrassment.

He graduated from Cambridge with honors.

Notre Dame, the Sydney Harbor Bridge, the World Trade Center.

And so we were commissioned to design a bridge that would open.

AM It captures a lot of the physics, yes.

The bridge was of a relatively new type, known as a cantilever, which had become quite fashionable. Although it was only slightly longer than the highly successful cantilever bridge over the Forth River near Edinburgh, Scotland, the Quebec Bridge was so inadequately designed that it collapsed before it was completed.

In Sulawesi, a bridge across a coastal river fell down.

The bridge section from Fife is now 600 metres long and weighs 30,000 tonnes.

TRAFFIC International, Cambridge, United Kingdom of Great Britain and Northern Ireland

1980, Oct Research Scholar at the Law Faculty of Copenhagen University

A lot of people are excited when sharks actually went under the Golden Gate Bridge.

You're used to suspension bridges with big droopy cables on the top.

Bridges

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Woman Yeah, it felt unstable, and it was very windy, and I remember it had lots of flags up and down the sides, so you could definitely there was something going on sideways, it felt, maybe.

Overall, nearly 79 of the total bridge deck is now in place, the final section of deck is having its concrete deck cast in Rosyth today, meaning all the deck is ready to be lifted into place on the bridge.

The Tacoma Narrows Bridge was designed as state of the art, which included a strong aesthetic preference for slender structures. Within four months of its opening, the bridge was destroyed by winds in a manner totally unanticipated by its engineers.

See Official Records of the General Assembly, Fifty fifth Session, Supplement No. 40, vol. I (A 55 40), para.

Composed of many modest spans, the structure involved no radically new design concepts and seemed to be a mere application of proven technology. However, the force of the wind was grossly underestimated and worksmanship was inferior.

Danger past, God forgotten.

It was pretty dark under the bridge.

Allan McRobie is a bridge engineer from Cambridge who wrote to me, suggesting that a bridge simulator ought to wobble in the same way as the real bridge provided we hung it on pendulums of exactly the right length.

The Cambridge University prefects decided to call them the Real Madrid of economics.

At the age of 17, I was recruiting people from Cambridge University to this organization.

The Dee Bridge, whose cast and wrought iron design followed common practice for the period, collapsed under a passing train, killing everyone aboard. Subsequent investigation revealed that the structure, the longest of its kind, simply pushed the limits of railroad bridge engineering too far.

It was the suggested syllabus for dealing with the Applied Arts and Science at Cambridge University in 1829.

This is the curve for Joplin.

That bridge isn't long.

I'm back in my truck, and we drove over the Brooklyn Bridge.

Interviewer You designed this, yes, this simulated bridge, and this, you reckon, mimics the action of the real bridge?