How long should my asphalt pavement last?
If it has been designed by an engineer and installed in accordance with the design and tested in should last between 15 and 20 years without maintenance but also without being exposed to loads beyond its capacity. If it has been designed by an engineer and installed in accordance with the design and tested in should last between 15 and 20 years without maintenance but also without being exposed to loads beyond its capacity. If it has not been maintained it will probably need to be completely reconstructed after the 15 to 20 year period.
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