Why bridges in the Amazon are a disaster, not a solution

By admaskr Feb24,2025
Why bridges in the Amazon are a disaster, not a solution

The Amazon is more than just a river. It is a whole world that lives by its own laws. But there is one detail that surprises everyone: why are there almost no bridges here? Imagine – thousands of kilometers of water, without a single steel structure connecting the banks. It seems strange, right? Why are bridges in the Amazon a disaster, not a solution? A huge river that crosses South America, and there are only a few bridges. In the modern world, where people are used to building roads and cities, the Amazon remains unconquered.

You might think it’s a lack of technology or money, but it’s not. There’s something more at play here – a combination of nature, culture, and the logic of survival. The Amazon is saying, “I don’t need bridges.” And people… agree.

The Amazon: a river-ocean where bridges are not the solution

To understand what is going on, you first need to understand the scale. The Amazon is the second longest river in the world. But in terms of water volume it is the undisputed leader. Its width during the rainy season stretches for tens of kilometers. It is not easy to build bridges here – even the coastline is difficult to determine here, because it is constantly changing.

Add another nuance: the river is extremely deep, and its current is fast and unpredictable. The foundation of any structure here would quickly “go away”. And bridges would have to be repaired almost every year.

And that’s not all. The Amazon is not just wide and deep—it is alive. It breathes, changes, floods forests, and creates new channels. Imagine a bridge that stands over water today. But in a few years finds itself over a dry channel or, conversely, sinks under water.

Building something stable where nature itself is unpredictable is a real challenge. There is no solid ground here, only soft silt that cannot reliably hold supports. Add eternal humidity, destructive corrosion, an invasion of termites that destroy wood, and the force of the water flow that can sweep away any structure. Bridges are not just short-lived – they are alien here. The Amazon always takes its toll.

But what about people? Are they used to doing without bridges?

Here’s the most interesting thing. Imagine that for most locals, the river is not an obstacle, but a major transport artery. They don’t think about “overcoming” it with bridges – they just use it. Boats, ferries, even small rafts – all of this works the same way that roads and cars work for us.

Moreover, a large part of the Amazon region simply does not have large cities. There is no need to build multi-lane highways across the river, because there are no megacities here that would require them. People live scattered, closer to nature.

a large part of the Amazon region simply does not have large cities

And this is not just a habit – it is a lifestyle that has been formed over centuries. For local residents, water is not an obstacle, but a part of their reality. They are born, live and grow old on the water, using boats as naturally as city dwellers use cars or the subway.

Children here are not taught to cross the road – they are taught to steer a canoe. Market? School? Doctor? Everything is accessible by water. Even houses often stand on stilts or even float, adapting to the changing water level.

Another important point: there are no bridges not only because of the lack of megacities. But also because of the special pace of life. There is no hustle and bustle of big cities here, there is no need to rush and cross the river in a few minutes. The Amazon dictates its own rhythm, and people simply adapt to it.

It turns out that bridges here are not just unnecessary. They are alien to this world.

Why bridges in the Amazon are a disaster.

And it’s not just about the complex geography – everything is much deeper here.

  • Gigantic costs with minimal benefits. Building a bridge across such a river is a colossal project, requiring billions of dollars. But this investment is justified only where there is a lot of traffic. In the Amazon there are no large cities that would need to be connected by bridges. People travel by boat, and it is more familiar and cheaper for them.
  • Soil instability and climate challenges. The Amazon is not just a river, but a system with many branches that change course. Building something stationary here is almost pointless. In addition, extreme humidity and corrosion will quickly destroy even the strongest structures.
The Amazon is a system with many branches that change course.
  • Environmental factor: risk to nature . Amazonia is the lungs of the planet. Large-scale construction would mean deforestation, disruption of the ecosystem and a threat to unique flora and fauna. Therefore, the governments of many countries that own parts of the Amazon simply do not want to provoke an ecological catastrophe.
  • Indigenous peoples: not everyone wants “progress .” Deep in the jungles live tribes who have little contact with civilization. And while bridges are a symbol of development for the modern world, for them it can be an invasion of their world.
  • It is more profitable to develop water transport . Instead of investing huge amounts of money in bridges, it is more logical to invest in ferries, boats and seaplanes. It is cheaper, more efficient and does not destroy nature.

That’s why they don’t build bridges across the Amazon, not because they can’t, but because it’s simply unprofitable and even dangerous for nature.

Will there be bridges in the future?

Surprisingly, there has never been a serious initiative in history to build a bridge across the Amazon. Road engineers don’t even try to find a solution. Unless new technologies appear – tunnels, floating structures or some other innovations. But for now, the main rule of nature applies here: if something is not needed – it simply does not appear.

And here’s the final question: should we change this balance at all? Wouldn’t it be better to leave at least one corner of the planet where nature dictates its rules, not people?

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