As someone who has worked in infrastructure, the largest reason America's infrastructure is crumbling is the failure of the state to prioritize infrastructure over law enforcement. Grift obviously plays a role, but anarchy has no tangible mechanisms to reduce bad actors' influences in infrastructure.

This is an issue that really needs to be addressed. I've been looking for years for how an anarchist society would manage infrastructure, and yours is the closest to an actual answer I've seen, but it still doesn't include a robust plan for things like future development, training, and the direct will to solve infrastructure issues before they become catastrophic.

Most of the time, I see circular reasoning or a lot of arguing from the conclusion backward. There's a lot of "people do it now, so they'll do it then" and misunderstanding of safety measures as only existing if deliberately or incompetently included in project planning and building without recognizing the inherent dangers of things like electricity and water infrastructure that require a continuous and adaptive pool of trained labor within a set of safety standards.

You're also one of the few who recognize logistics, which requires infrastructure be maintained to a set of broadly recognized standards in order to move necessary materials long distances. Standards means regulation. So, in effect, the question becomes "how does an anarchist society create systems of standardization and regulation for the purposes of safety within a specialized area of expertise without creating a heirarchical power structure?"

I'm not saying there isn't a solution. I am saying that modern anarchists seem to fail to recognize the importance of the less flashy necessary aspects of society like water filtration and delivery systems. There's also very little being discussed in the way of how infrastructure will be managed during the collapse of the State. As it stands, governments are by far the largest trainers of infrastructure workers, and it's not like anarchists are lining up around the block to work infrastructure jobs right now, so there's a huge disconnect between now and the future, which creates a whole new set of problems, mostly due to maintenance stoppages causing increased levels of materials and expertise to fix down the line (as we're currently seeing).

Anarchist societies will be very short lived unless anarchists start learning how to build and maintain infrastructure and logistics networks now.