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4f f. <br />COPY NCOOT <br />ii. 800 -2000 ADT Design Year <br />Minimum 34 feet width face to <br />face of parapets or tails or <br />Pavement width plus 12 feet, <br />whichever is greater. <br />iii. Over 2000 ADT Design Year <br />Minimum 40 feet. Desirable 44 <br />feet width face to face of <br />parapets or rails <br />b. Curbs and Gutter Approach <br />i. Under 800 ADT Design Year <br />Minimum 24 feet face to face of <br />curbs. <br />ii. Over 800 ADT Design Year <br />Width of approach pavement <br />measured face to face of curbs. <br />Where curb and gutter sections <br />are used on roadway approaches, <br />curbs on bridges shall match <br />the curbs on approaches in <br />height, in width of face to <br />face of curbs, and in crown <br />drop. The distance from face <br />of curb'to face of parapet or <br />rail shall be 1'6" minimum, or <br />greater if sidewalks are <br />required. <br />2. The clear roadway widths for new and <br />reconstructed bridges having four or more <br />lanes undivided two -way traffic should be <br />as follows; <br />a. Shoulder section Approach - Width of <br />approach pavement plus width of usable <br />shoulders on the approach -left and right. <br />Minimum 8' <br />Desirable 10' <br />b. Curb and Gutter Approach - Width of <br />approach pavement measured face to face <br />of curbs. <br />71 <br />