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Donald F. Sorgenfrei,
P.E.
Mr. Sorgenfrei entered the employment of Modjeski and
Masters in 1966. After several years of experience as a designer within
the Firm, he has spent the majority of his career in the Field Services
Division. As Head of the Field Services Division of the Firm, he manages
projects including the construction of movable bridges and the inspection
of both fixed and movable railroad and highway bridges. Additionally, he
manages emergency response to bridge accidents and the preparation and
administration of bridge repair and rehabilitation projects. |
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