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New Elk Mine Bridge Repair and Replacement Project <br />arcadis.com <br />New Elk Mine Cultural Report_TB_Rev030722 NOT FOR PUBLIC DISCLOSURE 18 <br />Smithsonian <br />Site Number <br />Temporal <br />Period Site Description NRHP Eligibility Recommendation <br /> 5LA.7112.15 Historic <br />Structure <br />C&W Railroad, Concrete Slab <br />Bridge at MP 19.37 <br />Not Individually Eligible <br />Contributing Feature of the C&W RR: the <br />bridge at MP 19.37 was previously recorded <br />and determined NRHP eligible; however, <br />because there are no forms on file in <br />Compass for the resource, it is unknown if <br />the bridge was previously determined <br />individually NRHP eligible or as a <br />contributing element of the NRHP-eligible <br />C&W Railroad. The bridge at MP 19.37 was <br />likely constructed within the C&W Railroad’s <br />period of significance circa 1951 as part of a <br />major rehabilitation of the railroad corridor. <br />The bridge retains sufficient integrity to be <br />considered a contributing feature to the <br />C&W Railroad’s NRHP eligibility under <br />Criteria A. <br /> 5LA.7112.16 Historic <br />Structure <br />C&W Segundo Bridge West; <br />Pratt Through-Truss Bridge at <br />MP 15.06 <br />Not Individually Eligible <br />Contributing Feature of the C&W RR: the <br />bridge at MP 19.37 was previously recorded <br />and determined NRHP eligible; however, <br />because there are no forms on file in <br />Compass for the resource, it is unknown if <br />the bridge was previously determined <br />individually NRHP eligible or as a <br />contributing element of the NRHP-eligible <br />C&W Railroad. The Pratt through-truss <br />bridge at MP 15.06 was constructed by the <br />American Bridge Company in 1902 to <br />replace an earlier bridge. The bridge is a <br />definitive feature of the C&W Railroad <br />Southern Division and retains sufficient <br />integrity to be considered a contributing <br />feature to the C&W Railroad’s NRHP <br />eligibility under Criterion A. <br /> 5LA.14414 Historic <br />Structure <br />C&W Railroad Culvert at MP 0.40 <br />at Jansen Yard <br />Not Individually Eligible <br />Non-Contributing to C&W RR <br /> 5LA.14415 Historic <br />Structure <br />Bridge 2.9-OH; CR 18.3 over <br />former C&W reroute <br />Not Individually Eligible <br />Non-Contributing to C&W RR <br /> 5LA.14416 Historic Structure <br />C&W Railroad Bridge at MP 9.01 <br />Not Individually Eligible <br />Contributing Feature of the C&W RR: the <br />bridge at MP 9.01 was constructed within <br />the C&W Railroad’s period of significance as <br />part of a rehabilitation of the railroad in <br />1951, and retains sufficient integrity to be <br />considered a contributing feature to the <br />C&W Railroad’s NRHP eligibility under <br />Criterion A.