2025-05-27 HRS 6E-8 Determination

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DAWN N. S. CHANG, CHAIRPERSON AND STATE HISTORIC HWY-DS 2.20575 PRESERVATION OFFICER May 27, 2025 Page 4 Table 1. Historic Property Identified During the Current Study SIHP Site Number Property Age Significance 50-10-06-23313 Keanuiomano Stream gage (concrete 1955 Not foundation) significant 50-10-06-29221 Waiaka Bridge 1932 c, d Determination of Effect HDOT has determined that the Project will have an"effect" on Site 50-10-06-29221, the Waiaka Bridge, which will be removed and replaced with a new Waiaka Bridge. The Project would result in the physical destruction of the bridge. Because the Project will affect this historic property and the effects will be harmful, the recommended determination of effect under HAR § 13-275-7 for the proposed project is therefore"Effect, with proposed mitigation commitments." To mitigate adverse effects caused by the demolition of the Waiaka Bridge, a Memorandum of Agreement(MOA)between the Federal Highway Administration and the State Historic Preservation Officer has been prepared. The MOA stipulates that Historic American Engineering Record documentation of the bridge will occur, and interpretive signage will be created and erected to commemorate the original bridge. Furthermore, due to the culturally sensitive nature of the Project Area, the uncertain location of the 1865 Catholic Church, and the need to protect the nearby agricultural complex, Site 50-10-06-22632, from development activities, archaeological monitoring of ground disturbing activities within the Project Area will be undertaken for precautionary and identification purposes. A Draft Archaeological Monitoring Plan for the project was prepared in accordance with HAR § 13-277 and is enclosed with this letter. Conclusion The HDOT asks for your concurrence with our determination of"Effect, with proposed mitigation commitments." We would appreciate a written response from the Depatltnent of Land and Natural Resources-SHPD within forty-five (45) days from date of receipt of this letter to Mr. Andrew Hirano via email at andrew.j.hirano@hawaii.gov.