The 2024 construction season is underway. The contractor has been getting their camp up and running and mobilizing equipment and materials for this season’s work.
They have already started working on the west side cut and completed some rock dowel installation. They also began excavating for abutment blocks and completed the first blast of the season on the west rock cut. Steel fabrication is in progress at the fabricator’s location in Portland, Oregon.
Check out this project timeline for a list of upcoming work planned for this summer:
2023
Construction contract awarded to Granite construction
Design completed
Work camp and temporary access across slide constructed
Conducted excavation on the west end
Abutments cast and transported to site
Structural elements ordered
2024
Complete excavation
Construct east and west abutments
Install thermosyphon infrastructure
Install launch system micropiles and erection platform
Structural elements completed and transported from Vancouver to site
Bridge erection begins
2025
Erect bridge structure and decking
2026
Complete bridge decking and abutments- install back, cheek and retaining walls
Install thermosyphon condensers
Project opens to administrative park and inholder traffic July 1
2027
Bus traffic resumes on park road
Spring work on the east abutment excavation.Photo courtesy of FHWA
Steel fabrication in Portland, Oregon.Photo courtesy of FHWA