About People

Tri Buu

Tri Buu, PE

Geotechnical Engineer

In his 39 years as a State Geotechnical Engineer with Idaho Transportation Department, Tri’s vast geotechnical engineering experience has encompassed preparing and reviewing foundation investigation reports; designing correction schemes for landslides, retaining walls, bridge and building foundations; developing pile driving criteria and participating in pile load tests; planning and monitoring geotechnical instrumentations; conducting research studies relating to geotechnical engineering; and supervising soil and soil mechanic laboratories. Tri has prepared and reviewed numerous foundation investigation reports for bridges, retaining walls, landslides to support projects that serve a wide variety of federal, state and municipal clients during his last 5 years with the firm.


  • MS, Civil Engineering, Univ. of Idaho, 1978


  • Registered Engineer (Civil), Idaho

Practice Area

Geotechnical Services

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