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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 27 <br />Smithsonian <br />Site Number Site Description Management Recommendations <br /> 5LA.14420 <br />Structure: C&W Railroad Box <br />Culvert at MP 11.60 <br /> <br />Not Individually Eligible <br />Non-Contributing to C&W <br />None; no work will be conducted on the box culvert at MP <br />11.60; further, because the box culvert at MP 11.60 is a <br />minor-built element of the C&W Railroad, it is not <br />considered a contributing feature of the C&W Railroad <br />and does not require protection. <br /> 5LA.14421 <br />Structure: C&W Railroad <br />Culvert at MP 12.42 <br /> <br />Not Individually Eligible <br />Non-Contributing to C&W <br />None; because the culvert at MP 12.42 is a minor-built <br />element of the C&W Railroad, it is not considered a <br />contributing feature of the C&W Railroad and does not <br />require protection. Further, proposed work on the culvert <br />at MP 12.42 will be limited to the repair of the cracked <br />existing wing wall and will not alter the C&W railroad <br />grade’s route, height, or any other qualifying <br />characteristics of the railroad’s NRHP eligibility. <br /> 5LA.14422 <br />Structure: C&W Railroad <br />Culvert at MP 13.31 <br /> <br />Not Individually Eligible <br />Non-Contributing to C&W <br />None; no work will be conducted on the culvert at MP <br />13.31; further, because the culvert at MP 13.31 is a <br />minor-built element of the C&W Railroad, it is not <br />considered a contributing feature of the C&W Railroad <br />and does not require protection. <br /> 5LA.14423 <br />Structure: C&W Railroad <br />Culvert at MP 13.70 <br /> <br />Not Individually Eligible <br />Non-Contributing to C&W <br />None; because the culvert at MP 13.70 has collapsed <br />and is a minor-built element of the C&W Railroad, it is not <br />considered a contributing feature of the C&W Railroad <br />and does not require protection. The culvert at MP 13.70 <br />will be replaced with a smooth steel pipe culvert protected <br />by riprap. The Project will not alter the C&W railroad <br />grade’s route, height, or any other qualifying <br />characteristics of the railroad’s NRHP eligibility. <br /> 5LA.14424 <br />Structure: C&W Railroad <br />Concrete Bridge at MP 15.45 <br /> <br />Not Individually Eligible <br />Contributing to C&W <br />Restoration and Preservation; the proposed scope of <br />work to be conducted on 5LA.14424 is limited to the <br />removal of ballast from the existing deck, the cleaning of <br />deck drains and bearings, and the application of concrete <br />sealer. Project activities will not remove, replace, or <br />otherwise alter any distinctive or qualifying historic <br />features or characteristics of the NRHP-eligible C&W <br />Railroad, nor will project activities alter the course of the <br />railroad or the height of the railroad grade. Following <br />Project completion, the site will be restored to its original <br />form and intended purpose. <br /> 5LA.14425 <br />Structure: C&W Railroad Box <br />Culvert at MP 16.00 <br /> <br />Not Individually Eligible <br />Non-Contributing to C&W <br />None; because the culvert at MP 16.00 is a minor-built <br />element of the C&W Railroad, it is not considered a <br />contributing feature of the C&W Railroad and does not <br />require protection. The culvert at MP 16.00 will be <br />replaced with a smooth steel pipe culvert protected by <br />riprap. The Project will not alter the C&W railroad grade’s <br />route, height, or any other qualifying characteristics of the <br />railroad’s NRHP eligibility.