Hello, this is a great question. Actually so great it has been asked since the days of Ancient Greece, and probably before , while exchanging America fir the desired state or nation, or city.
I do not think the US is on the verge of collapse, people throughout history have looked at their current situation with gloom and looked back to "Golden Ages" always 30 or 40 years before.
I am not American by birth, being born and living most of my life in England I came here five years ago. Even then in 2006 at the end of the boom, people were finding problems as to why the US was failing, it very much echoed what I had left in Britain, taxes, government, not being left with cash at the end of a month. For me taxes were lower, and things were greener on this side of the fence.
I would say no there is no imminent collapse, the US is just suffering from the human condition of saying, "Things were better when ..."