It takes eight minutes to drive over it.
The bridge is the longest in Europe (Picture: Getty)
There are some engineering initiatives so huge they nearly appear unreal — and one in all them sits simply exterior Lisbon. Europe’s second longest bridge, stretching to date throughout the water that on misty days drivers reportedly battle to see the opposite aspect, is round 60 instances the size of London Bridge. The Vasco da Gama Bridge in is likely one of the most spectacular engineering constructions on the continent.
Crossing the vast Tagus River, the bridge measures round 10 miles (17.2km) in complete, making it the longest within the European Union and second solely in Europe to the Crimean Bridge. It will take round eight minutes to drive over it on the velocity restrict of 75mph, although that is diminished to 56mph in poor climate.
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The bridge is round 10 miles lengthy (Picture: Getty)
For perspective, London Bridge measures solely a fraction of the Portuguese large. At 940 ft (290m), it makes the Vasco da Gama Bridge roughly 60 instances longer.
Named after legendary Portuguese explorer Vasco da Gama, the bridge formally opened on March 29, 1998, in time for Expo 98, the world truthful held in Lisbon marking 500 years since da Gama’s voyage to India by sea.
Constructed at a reported price of £746 million, the bridge was designed to unravel a rising site visitors downside within the Portuguese capital. Earlier than it opened, a lot of the site visitors shifting between northern and southern Portugal needed to go by means of Lisbon and depend on the older 25 de Abril Bridge.
Immediately, the bridge carries six lanes of site visitors however there are not any pedestrian or cycle routes, and drivers should pay a toll after they journey west.
Its central span alone reaches 420 metres, whereas the Central Viaduct stretches for practically 4 miles and permits ships to go under, in keeping with Britannica.
It was constructed to face up to some excessive circumstances, together with winds of as much as 155mph and earthquakes stronger than the devastating 1755 Lisbon quake, one of the crucial highly effective in European historical past at an estimated magnitude of 8.5 to 9.0.
It was additionally designed with environmentally acutely aware options, corresponding to inward-facing lighting designed to scale back disruption to birdlife and the encompassing Tagus estuary.
Huge, sensible and surprisingly elegant, it stays one in all Europe’s biggest fashionable engineering achievements.
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