There are of course practical concerns, like how you fund nuclear power plants, hydro-dams, roading, water utilities etc without state investment.
I can’t see how this is on topic- so I’ll answer it in the hope that you’ve got a way to tie this back to the OP’s original issue.
You mention two basic issues- roadways and utilities
There are privately owned examples of everything you mentioned-
First, several communities in the country consist entirely of privately owned roads- including the community where I live here in Texas. The roads where I live are funded entirely by private ownership- not by taxes.
Here’s an article about another city with privately owned roads- North Oaks City, MN -
digitaljournal.com/article/256574. In fact, the entire city is privately owned and operated- meaning that the city government does not own any property, nor does it claim ownership of or exert any authority over private property.
Second, in regard to utilities- privately owned power and water companies are everywhere, so I’m not going to bother with the idea that they can’t exist without government. The claim that government subsidies are necessary to offset the cost of power plants is nothing more than a scam. Where do you think the money for those subsidies comes from? TAXES! And where do those taxes come from? The same people who are in the service are of that power or water plant.
Government subsidies to fund power or water plants don’t reduce costs at all. They just mask the real cost of the utility because people end up paying two groups for their energy or water needs-the utility company, who is actually providing the service, and the government bureaucrats who are just passing money on to the utility company after they skim their cut off the top.
If you want to go a step further, government is the number one factor limiting the growth of the private utilities market because of the common practice of granting monopoly rights to utility companies. The reason most people in the US only have access to one power company and one water company in their local area has nothing to do with the viability of these companies to exist without government subsidies- it is because these companies have convinced the government that their infrastructure is incompatible with competition- essentially, they have been granted exceptions to the rules against monopolies.
Despite this, there are still numerous examples that fly in the face of the myth that utility providers cannot be privately owned or that they cannot benefit from market competition.
For example, Lubbock, Texas has several competing power companies. If you don’t like one, cancel their service and contract with another. The first company will come out and take out their meter, and the new company will arrive and plug in theirs- no different than switching to a new phone or cable TV provider. The competing companies power to the grid in proportion to their share of the subscriber base. This has always been possible because electricity is fungible, that is, one watt is exactly like another watt, so various companies can share the grid. This same system can be used with water.
Anyway, now that I’ve explained that, how did your question relate back to the OP’s question about liberty and prosperity?