yes if not maintained
All bridges in the Unites States are inspected every two years -- more often if they are critical. Railroads have B & B (bridge and building) engineers who look over the bridges under their charge. Because railroad loadings are larger than highway loads, railroad bridges tend to be stronger than other kinds.
The purpose of a septic cleanout cap is to provide access to the septic system for inspection, maintenance, and pumping. It should be inspected and maintained at least once a year to ensure proper functioning and prevent potential issues.
For your protection, yes, it should be inspected
No
It should be. A poor draft can mean a poorly designed or a poorly built/ maintained chimney. either way, a poor draft will cause a poorly burning, smoking fireplace.
You have to get the building inspected and they will need to see a license to approve the building. You could just not have it inspected but you could get into trouble for that.
In Massachusetts - Yes
about twice a year
yes
nu
Get it inspected when you get back to your state. Law Enforcement does not generally concern themselves with out-of-state inspection stickers.