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Swamps outside New Orleans.
In: Engineering
It’s a machine to build bridges section by section. With these machines, they can build sections of the bridge somewhere else and transport them to the site, and just assemble them. Here’s a video that shows how they generally work:
[Link](https://www.youtube.com/watch?v=QDotEB6Uh9s)
It’s a railroad raised bridge building machine. It was likely assembled for this specific project, but the idea is used frequently. In this case it is being used for an upgrade – it assume a continuous track is being replaced but that it can uses track in front of it to move forward.
It’s half a transport and placement system for prefabricated parts (the yellow bit can move big piers forward and then drop them into place) and a pile driver for …. doing what pile drivers do.
It’s a bridge building machine. You can see that it is putting in those support structures one at a time, laying the road/track bed on top, and then moving forward to repeat the process.
That red machine is a pile driving machine. The yellow machine is harder to recognize, but it seems to be some sort of movable track for the pile driver to work from.
Bonne Carre Spillway to be exact. About 10 minutes from my house.
You should have seen the wooden train bridge that is replacing!
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