Relating to interstate bridges; and prescribing an effective date.

Directs Department of Transportation to study establishment of bistate Hood River bridge commission and report on findings to interim committees of Legislative Assembly related to transportation on or before September 15, 2023. ] Sunsets January 2, 2024. ] Establishes statutory framework for local governments in Oregon and Washington to enter commission formation agreement to create bistate governance commission to oversee construction, maintenance, repair, operation, renewal, financing and refinancing of new interstate toll bridge across Columbia River. Takes effect on 91st day following adjournment sine die.