e draw span is the present aspect of the improve- only partly taken up by the central ments and of the bridge itself. bearings when it is closed. For The viaduct is a steel structure car- each end there are levers arranged ried on three rows of columns, each somewhat like toggle joints, which ble… … eral dimensions and features: On the THE CONSTRUCTION OF THE ELEVATED WAY. ufacturing Company, of Cleveland and north there are two bridge spans, the one New York. Our thanks are due to farthest north being 181 feet 414 inches and +8 The entire weight of thedraw span about 400 feet. three oils used…
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