The phrase "obsolete facilities" is correct and usable in written English.
You could use it in a sentence such as: "The aging school building had become outdated, with obsolete facilities that had not been maintained for years."
Revitalization of the obsolete port facilities often offered opportunities to expand the central business district into an area that has a strong sense of place and good recreational potential.
In July , 1981 a report surfaced that the Reagan Administration might hand over the base — "an obsolete military facility," in the words of one high-ranking official — if Cuba took back unwanted refugees.
The presence of undeveloped areas within suburban landscapes, such as former infrastructural facilities, obsolete airports, and abandoned train stations, contribute to the impetus to reclaimed and revamped land.
Mike Tranghese, commissioner of the Big East Conference, of which Rutgers is a member, saw a school that had become obsolete in its athletic facilities and the academic tools it could offer its athletes.
Fluctuating transport volumes result in obsolete fleets and port facilities.
Fluctuating transport volumes result in obsolete fleets and port facilities, a stable or declining cruise shipping sector and limited investments in developing technologies aimed at sustainability.
Due to the lack of finance and public attention, for a long time being, rural kindergartens in China suffer from the shortage of physical space, poor condition of buildings, inadequate activity space, obsolete teaching equipment and facilities, the lack of clean toilets and emergency exits, and insufficient toys and books for playing and reading.
Many obsolete shipping and warehousing facilities were demolished.
I want to say clearly that I am not proposing that prisons or other detention facilities are obsolete, or that it is wrong for people to work in them.
