"publicly inaccessible" is correct and can be used in written English.
You can use it to describe something that is not available or accessible to the general public. Example: The government building is publicly inaccessible due to security measures.
It was wrapped up in the language of strategy, in that they could publicly claim the Warwan Valley was inaccessible and that any raid would be detected and thwarted leading to the deaths of the hostages.
Many of the details in the documents, which F.T.C. lawyers filed electronically, were not meant to be released publicly, but words intended to be inaccessible were actually just electronically shaded black.
While recent transparency efforts have improved practices, a significant portion of both commercially and publicly funded trials and trial results still remain inaccessible, because they are unregistered and their results are unreported in trial registries, 1 2 or they are never published in the medical literature.
But after getting a glimpse of the texts in recent months, thousands of priests in the United States, Ireland and Australia have publicly objected that the translation is awkward, archaic and inaccessible.
While his methods were provocative, the goal that Aaron died fighting for - freeing the publicly-funded scientific literature from a publishing system that makes it inaccessible to most of those who paid for it - is one that we should all support.
As platforms are run using information technology, one important aspect of transparency is associated with the code behind these platforms, which can be inaccessible proprietary software or, more transparently, open source software where the published code is publicly available.
Disadvantages that stem from poorly documented or inaccessible data, however, can be corrected so that collected data are standardized and made publicly available.
Plug inaccessible behind refrigerator.
The catwalks were inaccessible.
Restroom is inaccessible.
