Yes, this could be as old as the 1870s potentially. Those threaded rod connections are a great find.
An old one... And likely a WIBCo. product.
And it is another one obviously in this region that needs it's official status changed from "open" to "closed" if that is an easy step?
This one in fact is still existing, it is a funky design and cobbled together but overall pretty solid, neat little bedstead, lots of vocal and interested cows nearby this one also
This one seems to have disappeared from the NBI. It might have been replaced by a culvert, or it might have been closed and rusting in peace.