Here is a useful map in .pdf that includes directions.
Here are just the directions:
From I-5 - 72nd St exit
Follow I-5 to 72nd Street Exit 129
Turn right onto 74th; proceed on 74th, crossing South Tacoma Way and Lakewood Drive.
74th turns into Custer Road and crosses Bridgeport Way; stay in the right lane.
Turn right on 88th St. S.W. which after two or three blocks becomes Steilacoom Blvd.
Proceed on Steilacoom past the Oakbrook shopping malls, the light at 83rd Avenue and the Western State Hospital complex.
Turn left at the light on Farwest Drive (the street is called Farwest on the left, Sentinel on the right).
Drive up the hill and enter the campus on your left at the main entrance by the reader board sign.
From I-5 - Gravelly Lake exit
Follow I-5 to Gravelly Lake Exit 124. (Note: There are directional signs to the college)
From north-bound I-5: turn left and go over the freeway. From south-bound I-5: turn right.
At the second light (island with large "Welcome to Lakewood" sign), go left onto Gravelly Lake Drive.
At the second light, turn left on Washington Blvd. (Note: Washington Blvd. will turn into Military Road).
At the third light, turn right on 112th St. S. W.
Take the rst left (one-half block) onto Farwest Drive.
Continue on Farwest Drive until you see Pierce College on the right.