An update from the good folks at the WSDOT.
Full closure of I-5 in Marysville overnight
116th Street Northeast overpass also closed for testing
Both directions of I-5 at 116th Street Northeast will close at 11:59 p.m. Saturday, Nov. 10. Contractor crews working for the Tulalip Tribes’ interchange project need the closure to safely test the water and sewer lines on the underside of the 116th Street overpass. That overpass will also be closed during the overnight testing. Crews will begin reopening the highway at 6 a.m. Sunday, Nov. 11
Here is the complete breakdown of the lane reductions and closures:
Southbound I-5 closure details
- 7 p.m. Saturday, Nov. 10 – One lane closed.
- 10 p.m. Saturday – Two lanes closed.
- 11:59 p.m. Saturday – All lanes closed.
- 6 a.m. Sunday, Nov. 11 – Lanes begin reopening.
- All lanes reopen by 9 a.m. Sunday.
Northbound I-5 closure details
- 8 p.m. Saturday, Nov. 10 – One lane closed.
- 10 p.m. Saturday – Two lanes closed.
- 12:30 a.m. Sunday, Nov. 11 – All lanes closed.
- 6:30 a.m. Sunday – Lanes begin reopening.
- All lanes reopen by 9:30 a.m. Sunday.
116th Street Northeast closure details
- 11 p.m. Saturday, Nov. 10 – All lanes of the I-5 overpass closed.
- All lanes reopen by 8 a.m. Sunday, Nov. 11.
Detour routes
Traffic on I-5 will reduce to one lane in each direction, then drivers will follow detour signs taking them over the 116th Street Northeast off- and on-ramps. When 116th Street Northeast is closed, traffic will detour on local streets to either 88th Street Northeast or State Route 531.
116th Street Northeast Interchange Project
Improving the I-5/116th Street Northeast interchange is part of the Tulalip Tribes project to reduce congestion and improve traffic flow in this area. For more information about this project, go to the Tulalip Tribes’ project page.