The story
Founded by George S. Richardson in 1939.1
Private company
American civil engineer
George Sherwood Richardson (1896–1988) was an American engineer known for his elegant bridges, innovative construction techniques and skillful planning of highways. Designer of many bridges in the Pittsburgh and Allegheny County areas in the 20th century, he has been called "the dean of Pittsburgh bridge engineers".2 It was founded by George S. Richardson.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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George Sherwood Richardson (1896–1988) was an American engineer known for his elegant bridges, innovative construction techniques and skillful planning of highways. Designer of many bridges in the Pittsburgh and Allegheny County areas in the 20th century, he has been called "the dean of Pittsburgh bridge engineers".2
Founded by George S. Richardson in 1939.1
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