Section 382.305 - Operation of bridges across Willamette River by Multnomah County(1) The Board of County Commissioners of Multnomah County shall operate and maintain all bridges, as defined in subsection (2) of this section, together with the approaches thereof, erected, owned by or leased to the City of Portland or Multnomah County, across the Willamette River within the boundaries of Portland, and the City of Portland shall surrender and deliver possession and control of such bridges, except as provided in ORS 382.310 to 382.330, to the board of county commissioners.(2) As used in ORS 382.305 to 382.330, "bridge" means the bridges and parts thereof.