DOT&PF Notice to Begin Engineering & Environmental Studies: Ahrnklin River Bridge (No. 1229) Abutment Slope Restoration

Project # SFHWY00637The Alaska Department of Transportation and Public Facilities (DOT&PF) is proposing to conduct slope protection at Ahrnklin River Bridge in Yakutat on Dangerous River Road (Mpt. 24.921). This project would add riprap protection to the slopes at Ahrnklin River Bridge where there has been scour underneath the bridge and near the bridge abutments. The proposed project would potentially include: • Construction of access to bridge abutments and riverbanks • Discharge of riprap to construct revetments along the waterwayThis project would take place within and may impact the unmapped floodplain of the Ahrnklin River. Construction is projected to begin in winter 2025-2026 or spring 2026. The environmental review, consultation, and other actions required by applicable Federal environmental laws for this project are being, or have been, carried out by DOT&PF pursuant to 23 U.S.C. 327 and a Memorandum of Understanding dated April 13, 2023, and executed by FHWA and DOT&PF. Development of this proposed project would follow a process required by the National Environmental Policy Act (NEPA). Based on project location and scope of work, the environmental document is anticipated to be a Categorical Exclusion (CE) on basis of 23 CFR 771.117(c)(26). Possible affected resources include wetlands, Section 4(f) properties, invasive species, and cultural or historic properties. The proposed project would comply with all applicable authorities including: • Bald and Golden Eagle Protection Act • Clean Air and Clean Water Acts • EO-11988, Floodplain Management • EO-11990, Protection of Wetlands • Magnuson-Stevens Fishery Conservation Management Act • National Historic Preservation Act - Section 106 • Section 4(f) of the U.S. Department of Transportation Act • U.S. Fish and Wildlife Coordination Act DOT&PF is soliciting comments on the proposed project. Your comments would help us evaluate potential environmental, social, and economic impacts of this project, as well as impacts to historic and cultural resources. Please submit your written comments to: Tyler Riberio, Environmental Impact Analyst DOT&PF Southcoast Region P.O. Box 112506 Juneau, AK 99811-2506 Phone: (907) 465-4504 Fax: (097) 465-4414 Email: tyler.riberio@alaska.gov To ensure that all possible factors are considered, please provide comments via email, fax, or mailing address by November 9, 2025. It is the policy of the Alaska Department of Transportation and Public Facilities (DOT&PF) that no person shall be excluded from participation in, or be denied benefits of, any and all programs or activities we provide based on race, religion, color, gender, age, marital status, ability, or national origin, regardless of the funding source including Federal Transit Administration (FTA), Federal Aviation Administration (FAA), Federal Highway Administration (FHWA) and State of Alaska funds. DOT&PF complies with Title II of the Americans with Disabilities Act of 1990. If you or someone you represent requires special accommodations in order to respond to this public notice, please call or email the project coordinator listed above, or call Alaska Relay at 711, or call (800) 770-8973 for TTY, (800) 770-8255 for voice, (800) 770-3919 for ASCII, (866) 355-6198 for STS. Ask the communications assistant to call the project coordinator listed above so arrangements can be made to assist you