Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Interstate Bridge Replacement Project on Interstate 5 between Portland, OR, and Vancouver, WA

Document 2026-09884 is a Final Rule published by the Department of Commerce in the Federal Register on May 18, 2026, with an effective date of September 15, 2027. NMFS, upon request from the Interstate Bridge Replacement Program (IBRP), issues this final rule and associated 5-year letter of authorization (LOA) pursuant to the Marine Mammal Protection Act (MMPA), to govern the taking of marine mammals incidental to construction activities conducted in support of the Interstate Bridge Replacement Project (IBR Project) on Interstate 5 (I-5) between Portland, Oregon, and Vancouver, Washington, over the course of 5 years. This final rule prescribes the permissible methods of taking and other means of effecting the least practicable adverse impact on marine mammal species and their habitat and establishes requirements pertaining to the monitoring and reporting of such taking. View the original at https://www.federalregister.gov/documents/2026/05/18/2026-09884/takes-of-marine-mammals-incidental-to-specified-activities-taking-marine-mammals-incidental-to-the.

No. Document 2026-09884 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.