Extending service life, while maintaining reliability is being increasingly emphasized. The average life expectancy for a wood pole varies, depending on location, from 30 to 40 years. This useful life of a pole may be shortened due to several factors. One of the most common problems associated with wood utility poles is decay of the wood. New poles receive a preservative treatment to help prevent decay. As a pole ages, the original treatment becomes ineffective, and the pole begins to decay. Decay most often occurs within a region extending about 460-mm above and 460-mm below the ground line.
If you need anything else please feel free to ask. If you found this helpful don’t forget to click the accept button!