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<br />,~outh <br /> <br />0.07 <br /> <br />s."- <br /> <br />b.iCges ~.e the pipe t,eetle at ~ile 0.74, 4th Street (ColDr~do <br />State Kigh~ay 96) bridge at ~ile C.8e, end the 8th Street b.idgs <br />~t Mile 1.14. The U.S. Highway 50 8ypa~s bridge zt ~ile 1.S2 is <br />the ~o~t no.the.n bridge cros~ing. <br />The ~iseouri P~cific R~ilro~d bridga i~ an 59-foot <br />7_epan weod trs~tle. Flood~ of StanCa.d P.oject or Inter~ediat. <br />Regional Flood magnitude ~ould ~ot ove.top tha top of rails on <br />thia bridge. Head losses at the b.idge would be 5.1 feet during <br />the St~ndard Project flood end 4.5 feet du.ing the Intsrmediate <br />Regicmal Flood. <br />The Atchison, Topeka, andSente feRailwey bridge is <br />an 82_foot 6-span wood trestle. Neither the St~nda.d Project flood <br />~or the l~tarmedi~ts Regional flood would overtop the bridge. The <br />edjace~t ~issouri Pacific bridge, juat do~~st,eam. ~ctually detar~ <br />~i~es w~ter deptha et the Atchi~o~, Topeka, a~d Sa~ta Fe Railway <br />bridge, so the latter b.idge Causes ~o me~aureble head loss. <br />The pipe-swpoorting t.e.tle is a 159_foot 4-spa~ <br />stru~ture suppo~ting a 12-in~h ~ewer line over the creek. The <br />top of the t.estlo ~o~ld ~ot be inu~dated by either tho St~nrl~,d <br />Project flood or the l~te~ediate Regionsl Flood. Head losses <br />at the tl'BStle "auld b" 1.2 fe8t du!"i~g th" Sh"dard Project <br />fleod a~d 1.4 feet during thp J~ter~ediate RS9io~sl FlOOd. <br />The 4th btreet briLlge, a 5a-foot :;~~p~r' .....'Udul.~, h <br />.ke~ed 30 dRgteee to the ~or~~l direotio~ of flow. The road~ay <br />~ould ~ot be overtopped by ~ither the Sta~derd Project er the <br />l~ter~~diete Aegio~al fleod. He~d losses at the b.idg8 ~euld bo <br />2.9 feet duri~g the Stand~rd Project Flood ~~d 2.6 f~ot duri~g <br />tha l~ter~ediate Regional flood. <br />ThB 8th StreBt bridge is z gO_foot 3-~p~n oo~crete <br />structure. The re~dway would ~ot be overtepped ~y eiths. the <br />Ste~dard Project flood or I~ter<n..diate Regionsl Flood. He~d los~- <br />ee at the bridge would be 5.2 feet during the Ste~durd Praject <br />flo"d ~~d 4.4 hat during th~ I~ter",odiate Regio~el flood. <br /> <br />TA8LE3 <br /> <br />DRAINAGE AREAS IN WATERS~ED OF DRY CREEK <br /> <br />Location <br /> <br />Mile <br />Above <br />~ <br /> <br />Drai~"9o <br />Are" <br />8q.miies <br /> <br />About 0.10 mile ~patree", af U.S. <br />High~ey 50 Bypase <br /> <br />1.53 <br /> <br />u <br /> <br />Developments i~ th~ fIoad PLo>i~ <br />Plate 6 8ho~~ the flood plei~9 of Dry Creek for the <br />re~ch covered by thie !"eport. The la~d ~orth of U.S. Highway <br />50 Bypass is ge~er311y ueed for stock gr3~i~g e~d other egri~ <br />culture PUrpO"e~, while ~ome urb~~izatio~ exi~t9 elo~g Dry Creek <br />~ithi~ the city limita. The lower re~oh of Dry Creek, extending <br />"outh from 4th Str"st to th~ Ark~~..~s Rive., li~s outside Pueblo's <br />~re5e~t city lirnib ,.nd ru~s throClgh inigated f;or:n lends. The <br />o~ly dev~IDp~snt ~ithi~ the flood plei~ of ~ither tne Sto~dard <br />Projeot FlODd Dr intarmedi~ta Regional FlOOd ere ths six bridqRo <br />ecr05S the stream. It ie onticipatod that the Dry Creek e.e3 <br />..ill be ~"~J..d..,j to inlOr..~~i~q d.,v"l"f.'",..nt ~e th<1 dty gro~~ <br />and ev~r greeter re9ide~tiel and i~du9trial needs ~rB f~lfilled <br />i~ the future. <br /> <br />Bridqes Acrose th~ Stream <br />There uro three vehicular bridges, two rail~oad <br />bridges, a~d a pipe~supporti~9 tra$tle ~crOS5 Dry C,e~k i~ tho <br />3.2 mile ~tudy reach. Photographs of the~8 ~tructures appear in <br />figures 5 ~~d 6. The Missouri Pucific Ra11ro~d aod Atohison, <br />Topok~, e~d 5a~ta fe RaU""y b.idgs$ are just upstrssm of the <br />Dry Creek-Arkansas River conflue~ce ut miles 0.58 a~d 0.60, <br />res;:>s\:tively. Loc"ted to the ~ortr, ,,,,d upst.eam from thB"e <br /> <br />" <br /> <br />,; <br />