Abba G. Lichtenstein, 92, a noted bridge engineer who helped develop key national load-rating and inspection standards and techniques and who was an expert in repair of historic spans and related structures, died on March 13 in Washington, D.C., his family confirms.
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His work, particularly in restoring the Roebling Aqueduct bridge in Pennsylvania, won numerous awards; his engineering alma mater, Ohio State University, named a chair in infrastructure in his honor.
Lichtenstein was founder and former president of A.G. Lichteinstein & Associates, a New Jersey consulting firm, and later joined structural engineer McMullan & Associates Inc., Reston, Va., as director of canals and bridges.
