There is no "limit" to how long an "easement" can last. It can be set for a specific period of time, or it can last "perpetually".
These are questions that the above text answers:
1. Is there a time limit for how long an easement can last?
2. Can an easement be set for a specific period of time?
3. Can an easement last perpetually?
4. What are the ownership and usage rights associated with property easements?
5. What is an appurtenant easement?
8. Are there any restrictions on the duration of easements?
9. Can easements be terminated after a certain period of time?
10. How are easements related to property ownership and usage rights?