Two days of expected work turned into a week; one equipment breakdown cascaded into another; a 30-minute delay became 24 hours. A documentation project that was scheduled to happen in June did not begin until September. The challenges of keeping a bridge demolition project on schedule are not unique, but the requirement for historical documentation of a 1912 reinforced concrete bridge by historians and engineers added another layer of complexity to a highway widening project. However, this documentation effort ultimately provided interesting information about the early development of reinforced concrete flat slab design. …