Structural / Bridge Design Key Division Staff

Claudia Perchinelli, PE, SE

Project Principal Claudia Perchinelli is the President/CEO of Structural Grace, Inc. Since 1985, Claudia has been involved in bridge design and structural engineering. Claudia’s engineering responsibilities include design, project management and construction engineering of transportation related structures including long-and short-span bridges, pedestrian bridges, and temporary works as well as bridge construction services, including inspections, shop…

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Jim Glock, PE

Tucson Engineering Manager Jim Glock, PE, serves as the Bridge Design Manager for the Tucson Office. Jim started his career in 1982 at the City of Tucson, where he spent over nine years as the Transportation Director, retiring in December 2011. During his career with the City of Tucson, he was involved in the planning,…

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Nathan J. Palmer, PE, CBI

Phoenix Engineering Manager Nathan Palmer, PE, currently serves as the Engineering Manager for the Phoenix Office. Nathan has been working in the engineering industry since 1998 and has been designing bridges since 2005. Prior designing bridges he acquired valuable experience in surveying, construction, full-scale testing, fabrication and structural plan review. His recent experience includes the…

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Arild Orsleie, PE, SE

SENIOR PROJECT ENGINEER Arild Orsleie, Senior Project Engineer, has been a structural engineer since 1975, including extensive experience in the design of prestressed I-girders, CIP post-tensioned box girders, voided slab bridges, segmentally-erected prestressed concrete bridges, seismic retrofit of prestressed concrete bridges and the design of light rail/rapid transit prestressed concrete guideway structures. He has been…

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