Site work, paving and new construction of a mixed-use development in Hamilton, Washington. Working plans call for site work for a road / highway; for paving for a road / highway; water / sewer project; bridge / tunnel; bridge / tunnel; sidewalk / parking lot; for the construction of a bridge / tunnel; and sidewalk / parking lot.

This project provides for the improvement on and along I-90 that will include local street connections on/off ramp revisions, which will include a new bridge for Second Ave., modifying/widening the Altamont bridge, adding roundabouts at the intersections of Altamont with 2nd and 3rd Ave., and realigning 2nd Ave to make room for the new I-90/NSC ramp connections. In addition to the structures, this work includes grading, drainage, paving, traffic control and other work. Agency: WSDOT - EAST Length : 1.350 Begin Termini : 282.37 End Termini : 283.72 As of February 17, 2025, the project is in conceptual status. Anticipated letting year is 2026. WADOT - US 395/NSC I-90 Improvements - Hamilton to Thor *Project information has been obtained through a public state transportation improvement plan (STIP). A STIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the STIP often evolves based on funding availability. The project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available. Cost Range 55 - 60M *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.