Burning Bridges - Follow Up

Remember the bridge that got heavily damaged by a boat in March?
Now they finished removing the concrete/tarmac so you can actually see the twisted steel. It's clearly beyond any repair.
From Regensburg - ...

Now, remember that the gas burned only for half an hour, and there was no additional load on the bridge itself. And this is the result:
From Regensburg - ...

So why are there still some whackos out there trying to explain that the World Trade Center was blown up by the CIA (or the Jews or whomever), because the burning kerosine was not hot enough to melt and weaken the steel? Give me a break...


Cheers, Matthias