Question $4(20$ Points$)$

Calculate the design rigid pavement ESAL for a proposed two$-$lane access highway $(1$ lane in each direction$)$ to a truck terminal using the following daily traffic data. Assume $D={10}^{\text{'}\text{'}},$ the growth rate of $5\%,$ and a design life of $20$ years.

$80$ single axles at $22,500lbs$

$570$ tandem axles at $25,000$ lbs

$50$ tandem axles at $39,000lbs$

$80$ tandem axles at $48,000lbs$