MBI's street address is 1110 NE Circle Blvd, Corvallis, Oregon. The facility, previously known as Building 11, is on the Hewlett Packard campus, very near the campus' southern entrance. Despite the Circle Blvd. address, the best access if approaching from the south is via 2nd Street/Hwy 20.
Directions (PDF, map + narrative) from:
Click on the map at right for a higher-resolution version. Visitor parking (free, no permit needed) is in the lot due west of MBI. Use the intercom in the foyer to contact the person you are visiting.