The following construction activities will be taking place over the next several weeks:
East side of I-5: 1st Ave NE between NE 92nd St and NE 95th St, and between NE 92nd St and NE 100th St
Beginning as soon as August 24 and continuing for approximately two months, crews will be working on 1st Ave NE between NE 92nd St and NE 95th St, and between NE 92nd St and NE 100th St to install a new bike lane. Work during this time will include:
- Sidewalk, curb ramp, and gutter restoration
- Paving and roadway striping
Between the hours of 9 AM and 3 PM, Monday through Friday and on occasional weekends, traffic will be reduced to one lane and directional travel will be maintained with flaggers. Impacts include temporary wait periods, pedestrian detours, and potential changes to the King County Metro bus stop at NE 92nd St.
East side of I-5: 1st Ave NE between NE 100th St and NE 103rd St
- Intermittent lane closures along 1st Ave NE between 7 AM and 3:30 PM, Monday through Friday and on occasional weekends, with northbound and southbound traffic maintained
- Temporary bridge deck handrail work
- Walkway construction and installation
- Ongoing concrete work for the two remaining pier columns
- Placing forms and rebar cages
- Placing concrete
- Allowing concrete to cure
- Removing the forms once concrete has cured
West side of I-5 (north side of North Seattle College and along N 100th St)
- Construction of structural earth wall
- Concrete work for two remaining pier columns
- Placing forms and rebar cages
- Placing concrete
- Allowing concrete to cure
- Removing the forms once concrete has cured
- Installation of bridge girder temporary support blocks
- Setting of bridge girders
What to expect during construction
- Some noise and construction vehicle activity, including cranes
- Some nighttime and weekend work
- Detours for people walking and biking
- Lane reductions on Northgate express lane on- and off-ramp
- 2 freeway closures and detours (on weekends and at night only)
- Construction staging and parking impacts near the construction sites, including at the north side of North Seattle College along N 100th St and on NE 100th St at 1st Ave NE
- Closure of the North Seattle Park & Ride on 1st Ave NE
Questions during construction? Contact us:
Darrell Bulmer
NorthgateBridge@seattle.gov
(206) 905-3620
www.seattle.gov/transportation/NorthgatePedBridge.htm
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