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<br />TABLE 3 <br /> <br />Mouth <br /> <br />0.07 <br /> <br />5.' <br /> <br />i <br />, <br />I <br />I <br />, <br />, <br />I <br />, <br />, <br /> <br />bridges are the pipe trestle at Mile 0.74, 4th Street (Colorado <br />State Highway 96) bridge at Mile 0.S8, and the 8th Street bridge <br />at Mile 1.14. The U.S. Highway 50 Bypaes bridge at Nile 1.52 is <br />the most northern bridge croasing. <br />The ~issouri Pacific Railroad bridge is an 89-foot <br />7_span wood trestle. ,loods of St~nd~rd Project or Intermediate <br />Regional 'lood magnitude would not overtop the top of rails on <br />this bridge. Heed losses at the bridge would be 5.1 feet during <br />the Stendard Project ,lood and 4.5 feet during the Intermediate <br />Regional nood. <br />The Atchison, Topeka, and Santa ,e Railway bridge is <br />an 82_foot 5_span wood trestle. Neither the Standard Project ,lood <br />nor the intermediate Regional flood ~ould overtop the bridge. The <br />adj~cent Missouri Pacific bridge, just downetream, actually deter_ <br />mines weter depths at the Atchison, Topeka, and Santa ,e Railway <br />bridge, so the latter bridge causes no measurable head loss. <br />The pipe-supporting trestle is a 159~foot 4_spon <br />struoture s~pporting a 12-inch sewar line over the creek. The <br />top of the tre$tle would not be inundatad by eithst the Standard <br />Projeot ,lood or the Intermediate Regional Flood. Head los$eo <br />at tha trestle would be 1.2 feet during tha 5tand~rd Ptoject <br />,lood and 1.4 feet during the Intermadiate Regional ,lood. <br />Th~ 4th Streat bridge, a 56-foot ~-epan structura, is <br />skewed ~O degrees to ths normal direction of flo~. Tha road~ay <br />WOuld not be overtop pad by either the Standard Projeot or the <br />Intermediate Ragionel Flood. Head losses ~t the bridge would be <br />2.9 feat during the Standard Project ,lood and 2.6 feet during <br />the Intermediate Ragionsl ,lood. <br />The 8th Stre..t bridge ia a 9D~Foot :'I-span concrete <br />structure. The roadway would not be overtoppad by eithsr the <br />Standard Project ,lood or Intermediate Regional Flood. Maad loas- <br />ea at the bridge would be 5.2 feat d~ring the Standerd Project <br />,lood end 4.4 feet during the Intermediata Regional ,lood. <br /> <br />DRAI~AGE AREAS IN WATERSHED 0, DRY CREEK <br /> <br />loc"tion <br /> <br />mile <br />Above <br />mOuth <br /> <br />Drainage <br />Aras <br />sq. miles <br /> <br />About 0.10 mila upstream of U.S. <br />Highway SO Bypaas <br /> <br />1.6:'1 <br /> <br />'.1 <br /> <br />DevelOpmanta in the ,lood Plain <br />Plata 6 shows the flood plains of Dry Croek for the <br />reach ooverad by this report. The lend north of U.S. Highwey <br />50 Bypass ia generelly .used for stock grazing and other agri~ <br />oulture purposes, while soma urbanization exiats along Dry Cresk <br />within the city limi~e. The lower reach of Dry Cr~ek, extending <br />south from 4th Street to the Arkansas River, lies outside Pueblo's <br />present city limits and runs through irrigated farm lands. Tha <br />only development ~ithin the flood plain of either the Standard <br />Project ,lood Or Intarmediate Regional flood ate tho si~ hridges <br />across the stream. It is anticipated that ths Dry Creek "roa <br />will be subjected to increasing devalopment as the oity grows <br />and ever greater residential and industrial needs are fulfillad <br />in the futwre. <br /> <br />8ridQOS Across tha Strea~ <br />There ara three vehiculHr bridgas, two railroed <br />bridgas. and a pipe_supporting tree tIe acros" Dry :reak in the <br />:'1.2 mile study reach. Photographs of these structures appasr in <br />'igures 5 and 6. The missouri PaCifiC Railroad and Atchison. <br />Topoka, and Santa 'e Railway bridges are just upstra"'~ of the <br />Dry Craak~Arkana~s River confluence at milaa 0.58 and 0.50, <br />reapeotively. Located to the north ~nd upstream from thesa <br /> <br />" <br /> <br />" <br />