The project will install a roundabout at the intersection of Northeast 182nd Avenue and Northeast Risto Road, resurface the roadway with a hot mix asphalt from Northeast 167th Avenue at Northeast 199th Street at the JC Ward Bridge on Northeast 182nd Avenue, improve superelevation at Northeast 199th Street and Northeast Risto Road, apply a high friction surface treatment on the curves and relocate utility poles on Northeast 182nd Avenue and Northeast Risto Road.

Addendum 1 - Issued Thursday, October 9, 2025

This project will replace existing concrete panels, seal concrete cracks and joints, construct pedestrian curb ramps, upgrade pedestrian push buttons and restripe pavement.

Addendum 1 - Issued Thursday, October 2, 2025
Addendum 2 - Issued Wednesday, October 8, 2025
Addendum 3 - Issued Friday, October 10, 2025

This project will include the reconstruction of an existing 2-lane Collector to add continuous sidewalks and bike lanes on both sides of the roadway, and to reconstruct an existing four-way stop controlled intersection to a traffic signal controlled intersection.  The project also includes two (2) pedestrian crossings with rapid flashing beacons, ADA-compliant curb ramps, a stormwater conveyance and infiltration system, and sanitary sewer main extension.  

Addendum 1 - Issued Tuesday, September 9, 2025
Addendum 2 - Issued Friday, September 19, 2025

This project will entail the reconstruction of an existing single lane four-way stop controlled intersection to a multi-lane (single lane striped) roundabout, and includes the construction of two (2) bridges, multiple retaining walls, the installation of a stormwater   
conveyance and treatment facility, water lines and sanitary sewer lines.

Addendum 1 - Issued Wednesday, May 14, 2025
Addendum 2 - Issued Thursday, May 22, 2025
Addendum 3 - Issued Friday, May 30, 2025

This Contract provides for the improvement of NE 99th Street with the installation of water quality stormwater filter units, storm sewer pipe, sidewalk, curb and gutter, HMA erosion control, traffic control and other work.

Addendum 1 - Issued Monday, May 19, 2025

The project will entail the installation of sidewalk along Highway (Hwy) 99 on the East side between the vicinity of NE 102nd Street, across Tenny creek, and then part way up the South side of NE 104th Street to connect into an existing sidewalk.

Addendum 1 - Issued Monday, May 19, 2025

This project will retrofit the county's existing storm system to install storm filter cartridges vaults and catch basins and which provide water quality treatment before stormwater runoff is discharged to Cougar Creek.

The project will restore the natural headwater wetland by creating a series of shallow “wet cells” along the existing ditch to promote infiltration, raise the groundwater elevation, and improve the wetland hydroperiod, located in the Cougar Creek sub-watershed of the Salmon Creek watershed. Work to be performed includes clearing and grubbing, excavation, grading, stormwater facilities, sanitary sewer installation, plantings and other work.

Addendum 1 - Issued Thursday, March 20, 2025

Description of Work: Improvement of various county roadways by planing, pavement repair, over-excavation, roadway surface preparation, cleaning, sweeping, pre-leveling, applying tack coat, hot mix asphalt overlays, approach transitions, driveway improvements, striping, signage and other related work.

Addendum 1 - Issued Tuesday, March 11, 2025
Addendum 2 - Issued Thursday, March 13, 2025

This project will improve and preserve various existing roadways in Clark County by placing slurry seal, chip seal, micro-surfacing, fog seal, striping, pavement marking and other associated work.