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CULVERT SELEETION CHART <br /> • - RURAL PRIVATE A''iP FIELD ENTRANCES • - • <br /> ___ __ k Centerline — ____._._ <br /> Edge Existing Pavement - <br /> • <br /> Existing - - Shoulder <br /> Ditch Line. . • . - Cuivert� <br /> .� �� �d . <br /> IP. * Mini mum Length- - 26' • Lz . /1 ? °.' • <br /> __ • Minimum Widths - . - <br /> Private Entrance -. 16' - . • "17- • <br /> • Field •Entrance - 20' . ' - . . <br /> • ' • PLAN VIEW <br /> • <br /> - Match Existing ' • Proposed Entrance . <br /> Shoulder - Profile <br /> f S.ham.-» ;.� <br /> - 10' Nor. <br /> • <br /> r <br /> 8' Min. <br /> _CROSS - SECTION . - . <br /> . }'.=• i PROPOSED WIDTH (24 --- 1 side slopes) <br /> • <br /> Height of Fill l6' 18' I. - 20' 22' • 24' 26' 28' • I 30' <br /> Above Culvert - -- <br /> _ - . L= LENGTH CULVERT'REQUIRED- <br /> 0.5 26' I 28' I. 28' _ 30' l 32' 34' 36' 38' <br /> 1.0 . ' 26:' • - 28' I 30' 32 . 34' 36' 38' 40' - <br /> 1 .5 28•' , 30' _ 32' - • 34' • 36' 38' �• _ 40' 421_ <br /> 2.o ' 30' 32' - 34-'' • 361 I _38' ' 40'- 42' 44' <br /> 2.5 1 34' . 36.' 38' _ 40' 1 42' - • _44' - 46' - 48'. • <br /> 3:0 36' 1 38' I - 40' 42' t1 44' 46' ' 48' ' 50' • <br /> .- 3.5 • 38' . 4n' . I 42' 44' -t 46' . J 48` 50' 52' <br /> -_.o 40' 42' VI' . 16: 48'• 50' 52' 54' <br /> . 4.5 44' 1 46' 4S' 1 50' 1 52' 54' - - 56' 58' <br /> 5.0 _46' 1 48' 50' 1 52' ' -54' • 56' . 58' 60.' <br /> NOTE: Apron eindwalls required on4;I1 culverts. Above iensths do ..-l. include <br /> crt:-:all. 1 cn_,ths. <br />