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Show STANDARDIZE BRIDGE DESIGN No Sound Reason for Amount of Variation Va-riation in Specifications That Now Exist in Building. (Prepared by the United States Department of Agriculture.) Greater standardization of practice In the design and construction of highway high-way bridges Is urged by the bureau of public roads of the United States Department De-partment of Agriculture. It Is believed be-lieved that there Is no sound reason for the amount of variation In speelll-cntions speelll-cntions that now exists and that It results In greater cost of bridges. State officials take the same view as the bureau bu-reau und a committee composed of; bridge engineers has been appointed! by the American Association of State Highway Olliclals to consider the matter. mat-ter. A "Manual of Practice" Is being prepared, which will represent the best thought on the subject and which it is believed will be accepted by nil the state highway departments. Not. only will the adoption of such a manual man-ual lead to the building of bridges of good design, but It will nlso make possible pos-sible a saving in money, as bridge comp'inies will not bo called upon to meet eo much variation In design. |