Short answer: yes it is common for a building not to last long periods of time (unless properly maintained). I recall a civil engineer telling me once that most “tract” homes only are designed for a 35 year useful life. While I can’t find a reference for that, I did find this Quora article from a structural engineer:
Answer to What is the design life span of a building? by Vishnu Vijayakumar https://www.quora.com/What-is-the-design-life-span-of-a-buil...
Note: while he quotes 60-80 years, the concrete is still in that 30-40 year timespan.
Note: while he quotes 60-80 years, the concrete is still in that 30-40 year timespan.