Arthur I. Westrich, 95, a retired government civil engineer who was in charge of structural engineering during White House reconstruction in 1949 and 1950, died of lung cancer Dec. 19 at the home of a daughter in Bethesda. He lived in Boca Raton, Fla.

Mr. Westrich, a Boston native, was a 1928 civil engineering graduate of Northeastern University. He came to Washington in 1929 and began his government career in the office of the Treasury Department's supervisory architect.

Later, with the General Services Administration, he was involved in the design and construction of federal buildings, including post offices, embassies, hospitals and courthouses.

From 1953 to 1959, he worked for the Air Force Department on the design and building of hangars and other structures.

He then returned to GSA, where he became engineering director with its Public Buildings Service before retiring from the government in 1966. For the next two years, before moving to Florida, he worked for Inland Steel, becoming its engineering division chief.

From 1938 to 1954, he also undertook private work, designing apartment buildings, churches and shopping centers. He served as structural engineer of B'nai Israel Congregation's Washington site.

Mr. Westrich was a fellow of the American Society of Civil Engineers. His other professional memberships included the American Concrete Institute, the American Welding Society and the American Institute of Steel Construction.

His wife of 69 years, Ruth, died in 2000.

Survivors include a son, Murray, of San Diego; two daughters, Nicki Caplan of Los Angeles and Carole Lindenberg of Bethesda; nine grandchildren; and 15 great-grandchildren.