All that verbiage was the cover story, after the fact. The problem was flutter - and humans have known that can happen since there were flags. The bridge was se

All that verbiage was the cover story, after the fact. The problem was flutter - and humans have known that can happen since there were flags. The bridge was severely under-engineered, just omitting what had been standard components (including trussing under the bridge) for such bridges for a long time, to save money. There was nothing unpredictable about the result.