We own a former one room school house that is brick. The walls are 3 bricks deep and the walls go in one continuous section from the basement and crawl foundation to the roof. Seeing as it is all one continuous section I figure it would be really hard to do any foundation replacement or repair so my question is how long can a building built like this last? Particuarly brick foundations.
There are no problems with it except for seepage when it rains really hard and at one point someone has added a drain tile and sump pump to at least one side of the house.
The outer walls are crack free except for one section where near the top of the building there is 1 small crack but the home inspector said it was not an issue.
There does not seem to be alot of buildings around here built in this manner so it is a bit of an oddball. It is at least 106 years old it might be up to 10 years older than that.
Any insights or info?
Thanks!

It very much depends on the type of brick used, and the type and quality of the mortar.There are brick foundations dating back to the early 1800's that are still going strong, and there are probably some from the 1950's that have begun to fail. It's impossible to make a blanket statement about them.

If the brick itself has not begun spalling (where the surface layer of the brick pops off due to water that was absorbed and then froze) in over 100 years, the brick quality you have is probably very good. If the mortar joints are not crumbling and powdery, then they are also good. If they are, they can be repointed.

If you plan to be in the house a long time, it may pay to expose the foundation all along the outside, waterproof it properly, and backfill with pea stone. See "Licensed Waterproofer's" many posts on this subject. That will eliminate the seepage in all likelihod, and give your foundation another hundred years of life.