Out with the old: New Steilacoom-Dupont Road overpass set to open in DuPont early 2026
Next phase of construction opens new southbound I-5 exit, closes part of existing 1950’s era overpass
DUPONT – If the weather cooperates, a portion of the new Interstate 5 interchange in DuPont will open by mid-January. Workers will also fully open the new roundabout in DuPont.