Bridge Group Directory

Bridge Group is responsible for bridge design, bridge construction assistance and bridge management.
Written communication can be sent to this address:

205 S. 17th Ave.
MD 613E
Phoenix, AZ 85007
Phone: 602.712.7481


Contacts by Service Area

David Eberhart
State Bridge Engineer

Bridge Group provides three types of services: design, geotechnical and preservation.

Design Services

Each design section has been assigned the responsibility to handle all bridge and transportation structure issues for their assigned areas of responsibility within the state, as indicated below.  Note: Please use the Central District/Phoenix Metro Area Responsibilities Map below for assigned contacts.

Contact Position Area of Responsibility
David Benton Assistant State Bridge Engineer Design Services
William F. Downes Design Section A Leader Northcentral and Southcentral Districts
Navaphan Viboolmate Design Section B Leader Northwest and Southwest Districts
Rafe Davis Design Section C Leader Northeast and Southeast Districts
Amjad Alzubi Bridge Standards Engineer  

Map: Central District Phoenix Metro Area Responsibilities

Geotechnical Services

Contact Position Area of Responsibility
Patrice Brun Geotechnical Services Engineer
Acting Geotechnical Operations Section Leader
Geotechnical Services,
Tad Niemyski Geotechnical Design Team Lead Geotechnical Services

Preservation Services

Contact Position Area of Responsibility
Pe-Shen Yang Assistant State Bridge Engineer Bridge Operations and Preservation Services
Peng Chen Section Leader Bridge Inspection
Henry Sung Section Leader Bridge Management