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441,, 4, ' <br /> . _ <br /> CULVERT SELEET10N CHART <br /> - RURAL PRIVATE AW FIELD ENTRANCES - - - <br /> Centerline <br /> Edge Existing Pavement <br /> Existing . <br /> . - <br /> ___ Should <br /> er <br /> {Ditch Line <br /> x.' <br /> 10 amo■■■....rase _ ..;_,. <br /> -0 - <br /> --3-- minimum Length- - 26' - L* I -)7- G - <br /> ** Minimum Widths - • -Private Entrance -- 16' . - - .._.,_- <br /> - Field Entrance - 20' I - • - . <br /> - - PLAN VIEW <br /> - Match Existing Proposed Eritrance <br /> /Shoulder -t Profile <br /> (Z. , / --- <br /> 4:14G..,•••■■•.. .3._,,12 <br /> -4---H <br /> • 10' Nor. ill <br /> _CROSS - SECTION <br /> W= PROPOSED WIDTH (24 -- 1 side slopes) <br /> Heisht of Fili 161 <br /> 18' I - 20' 22' 1 24' I 26' I 28' 1 30' <br /> Abo-..e Culvert <br /> - L.= LENGTH COLVERT- REQUJRED <br /> 0.5 26' I 28' I_ 28' 30' 1 32' 3L' I. . 36' 30' <br /> 1.0 - - - 26' _ 28' 1 30' 32" , 34' 36' 38' 40' - <br /> 1 .5 284 , 30' 1 32' - 34' • 36' 38' - . 404 . 42! <br /> • 2.0 30' 32' - - 310- - 36' 1 :38' - 40'- ] 42' 44' <br /> 2.5 34' - 1 36' - 38' . 40' I 42' :44' - 46' - 48' <br /> 3:0 36' ( 38' 1 - 40' I 42' 1 44' 46' 4 ' 50' <br /> 3.5 38' I.. 40' l 42' 44' .1 46' I 48'• 50'• 52' <br /> • 4.0 11---767-1 • 42' I 44'• 46' I. 48' 50' —527 54' <br /> 4.5 44' I .46' I 45' 1 SO' I 52' 54' 56' 58' <br /> 5.0 ,46' I 48' I 50' I 52' I -54' 56' 58' 60' <br /> NOTE: Apron endwalls required on all c&lverts_ Above len111:: do not include <br /> ecdt-::..II lenctbs. <br /> - <br />