The Bay Area is, in many ways, defined by its bridges.  Once famous for their architectural beauty and cutting edge design, the new span of the Bay Bridge  may be equally famous for its faulty construction, inflated costs and mismanagement.While its engineering, politics and construction may have many issues,  few can quarrel with it's design. That design is the work of Donald McDonald, an icon of bridge building throughout the world.  McDonald has over 30 years experience in architectural design, historic rehabilitation, planning, contract administration, and construction management of complex projects. He and his firm are responsible for the design of the just opened Eastern Span of the San FranciscoBay Bridge.My conversation with Donald McDonald: