Ustick Road, Black Cat Road to Ten Mile Road

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The Ada County Highway District (ACHD) will be reconstructing Ustick Road between Black Cat Road and Ten Mile Road. The purpose of this project is to improve traffic flow and increase safety for all users.

Ustick, Black Cat to Ten Mile

  • Widen Ustick Road to two lanes in each direction, with center turn lanes or center medians at key locations.
  • Construct curb, gutter, and a 10-foot-wide multi-use pathway with a safety buffer on both sides of the roadway for pedestrian and bicyclists.
  • Add a traffic signal at Naomi Avenue.
  • Install an enhanced pedestrian crossing across Ustick Road at the Nine Mile Pathway.
  • Upgrade stormwater facilities and replace irrigation pipes.

Ustick and Black Cat Intersection

  • Widen the Ustick Road and Black Cat Road intersection to include additional through lanes.
  • Add dedicated right and left turn lanes on all approaches.
  • Install curb, gutter, and multi-use pathways.

The Ada County Highway District (ACHD) will be reconstructing Ustick Road between Black Cat Road and Ten Mile Road. The purpose of this project is to improve traffic flow and increase safety for all users.

Ustick, Black Cat to Ten Mile

  • Widen Ustick Road to two lanes in each direction, with center turn lanes or center medians at key locations.
  • Construct curb, gutter, and a 10-foot-wide multi-use pathway with a safety buffer on both sides of the roadway for pedestrian and bicyclists.
  • Add a traffic signal at Naomi Avenue.
  • Install an enhanced pedestrian crossing across Ustick Road at the Nine Mile Pathway.
  • Upgrade stormwater facilities and replace irrigation pipes.

Ustick and Black Cat Intersection

  • Widen the Ustick Road and Black Cat Road intersection to include additional through lanes.
  • Add dedicated right and left turn lanes on all approaches.
  • Install curb, gutter, and multi-use pathways.

  • February 28, 2025

    28 Feb 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep are ongoing on the north side of Ustick.
    • Eight mile irrigation: Excavation for the west side diversion structure complete.
    • Utility relocations are nearly complete.
    • Temporary precast sections have been set.
    • Irrigation work on Nine mile and Rutledge continues.
    • Headwall at Rutledge complete.
    • Precast box fabrication complete for this season.

  • February 20, 2025

    20 Feb 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight Mile irrigation box on Black Cat has been demolished.
    • Excavation for the west side headwall complete.
    • Irrigation work on Nine Mile and Rutledge has started.
    • Headwall at Rutledge complete.
    • Precast box fabrication complete for this season.
    • Southwest corner of Ustick and Black Cat (Eight Mile) irrigation work ongoing.

  • February 14, 2025

    14 Feb 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight Mile irrigation box on Black Cat has been demolished.
    • Excavation for the west side headwall complete.
    • Headwall is installed.
    • Precast box fabrication ongoing.
    • Southwest corner of Ustick and Black Cat irrigation work started.

  • February 7, 2025

    07 Feb 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight Mile irrigation box on Black Cat has been demolished.
    • Excavation for the west side headwall complete.
    • Headwall is installed.
    • Precast box fabrication ongoing.

  • January 31, 2025

    31 Jan 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight mile irrigation box on Black Cat has been demolished.
    • Excavation for the west side headwall to start this week.
    • Precast box fabrication ongoing.

  • January 23, 2025

    23 Jan 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight mile irrigation box on Black Cat has been demolished.
    • Excavation for the west side headwall to start this week.
    • Precast box fabrication ongoing.

  • January 17, 2025

    17 Jan 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight mile irrigation box on Black Cat has been demolished.
    • Excavation for the west side headwall to start this week.
    • Precast box fabrication started this week.

  • January 10, 2024

    10 Jan 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight Mile irrigation box on Black Cat has been demolished.
    • Excavation for the west side headwall to start this week.
    • Precast box fabrication started this week.

  • January 3, 2025

    03 Jan 2025
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    • Black Cat Road is closed south of Ustick Road.
    • Traffic has been shifted onto the temporary asphalt on the south side of Ustick.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep is ongoing.
    • Eight Mile irrigation box on Black Cat has been demolished.

  • December 20, 2024

    20 Dec 2024
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    • Black Cat Road is closed south of Ustick Road.
    • Temporary asphalt for the new traffic pattern on the south side of Ustick complete.
    • Traffic will shift this week.
    • Irrigation and seepage bed install ongoing.
    • Roadway and sidewalk demo and prep ongoing.
    • Eight mile irrigation box on Black Cat has been demolished.
Page last updated: 02 May 2025, 10:24 AM