Associated with the firms network

Lin, T.Y., International, Consulting Engineers; OPAC Consulting Engineers, Incorporated

Professional History


Design Engineer / Chief Bridge Engineer / Vice President / Board Director, T.Y. Lin International, Consulting Engineers, San Francisco, CA, 1978-1992.

President / Principal Engineer / Partner, OPAC Consulting Architects, Incorporated, San Francisco, CA,1992- . According to the OPAC web site: "Mr. Cheng leads the firm and provides expertise in bridge design, construction engineering, and engineering management. He has been in engineering practice since 1978 and has been responsible for bridge design or construction engineering of projects on three continents." (See OPAC Consulting Engineers,, "Personnel," accessed 08/19/2019.)

Professional Activities

In 2019, Chenge was a Registered Engineer in AZ, CA, CO, FL, IL, LA, MD, MA, MN, OR, RI, TX, VA and WA.



B.S., Civil Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, 1976.

M. Engineering. Civil Engineering, Rensselear Polytechnic Institute (RPI), Troy, NY, 1978.

PCAD id: 8455