The 3101 Walnut Street Bridge level, elevator head-house, is located to the east of the Left Bank. Several University offices are located within the lower level. Lower level access is also available from 3160 Chestnut Street.

Facilities &, Real Estate Services, 3101 Walnut :19104- 6289

Environmental Health &, Radiation Safety, 3160 Chestnut, Suite 400 :19104-6287

Penn Center For Innovation, 3160 Chestnut, Suite 200 :19104-6283

Penn Children's Center, 3160 Chestnut, Suite 100 :19104-6282

Penn Mail Service, 3160 Chestnut, Suite 500 :19104-6280