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U.S. 101: Manzanita Ave - Neahkahnie Creek
Preliminary concept
The purpose of the project is to replace the failing culvert at Neahkahnie Creek that has reached its useful life,  realign U.S. 101 at Manzanita and  install left-turn lanes at Laneda and Manzanita Avenues as specified in the City of Manzanita’s Transportation System Plan (TSP).
The project is currently under construction.  The new fish culvert/tunnel structure and stream bed construction work has been completed.
The remaining work includes the realignment of U.S. 101 near Manzanita with new turn lanes at Laneda and Manzanita Avenues.  The work also includes the installation of sidewalks and lighting on the west side of the highway, and planting
The project is scheduled to be completed in late summer or fall of 2017.


Funding for this project comes from the Fish Passage ($3.2M) and Modernization ($3M) programs.  

Project Library
Open House Materials (June 2010)
Project Background | Preliminary Roadway Design 
Preliminary Construction Staging Options | Environmental  

Please contact the Project Leader with questions or comments. Media inquiries should be referred to the Public Information Officer. 
  • Dave True, Project Manager (503) 338-7334
  • Lou Torres, Public Information Officer, (503) 986-2880