Carlsbad Way Bridge

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As part of the Ada County Highway District’s (ACHD) Bridge Maintenance Program, ACHD will replace the culvert on Carlsbad Way, just north of State Street, as early as the beginning of October 2023.* Construction is expected to be complete spring of 2024.

This bridge improvement project will include removing and replacing the existing bridge over the Boise Valley Canal.

*Construction schedules may change due to high demand for contractors, labor, and supplies.

As part of the Ada County Highway District’s (ACHD) Bridge Maintenance Program, ACHD will replace the culvert on Carlsbad Way, just north of State Street, as early as the beginning of October 2023.* Construction is expected to be complete spring of 2024.

This bridge improvement project will include removing and replacing the existing bridge over the Boise Valley Canal.

*Construction schedules may change due to high demand for contractors, labor, and supplies.

  • April 12, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete sidewalk and curb complete.
    • Concrete paving complete.
    • Pavement markings and landscape remaining.
    • Roadway is closed for the duration of the work.
    • Concrete sidewalk and curb complete.
    • Concrete paving complete.
    • Pavement markings and landscape remaining.

  • April 5, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete sidewalk and curb complete.
    • Concrete paving ongoing.
    • Roadway is closed for the duration of the work.
    • Concrete sidewalk and curb complete.
    • Concrete paving ongoing.

  • March 29, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete sidewalk and curb complete.
    • Concrete paving ongoing.
    • Roadway is closed for the duration of the work.
    • Concrete sidewalk and curb complete.
    • Concrete paving ongoing.

  • March 21, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete work ongoing - Curb placed.
    • Ped ramps being prepped.
    • Concrete paving once curb is complete.
    • Roadway is closed for the duration of the work.
    • Concrete work ongoing - Curb placed.
    • Ped ramps being prepped.
    • Concrete paving once curb is complete.

  • March 15, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Curb placed.
    • Ped ramps being prepped.
    • Concrete paving once curb is complete.
    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Curb placed.
    • Ped ramps being prepped.
    • Concrete paving once curb is complete.

  • March 8, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Prepping for curb and gutter.
    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Prepping for curb and gutter.

  • March 1, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Backfilling culvert.
    • Subgrade being placed.
    • Curb ongoing.
    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Backfilling culvert.
    • Subgrade being placed.
    • Curb ongoing.

  • February 23, 2024

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    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Backfilling culvert.
    • Subgrade being placed.
    • Roadway is closed for the duration of the work.
    • Concrete work ongoing.
    • Backfilling culvert.
    • Subgrade being placed.

  • February 16, 2024

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    • Roadway is closed for the duration of the work.
    • City of Boise Sewer line in conflict; relocated.
    • Water line relocation complete.
    • Concrete work ongoing.
    • Roadway is closed for the duration of the work.
    • City of Boise Sewer line in conflict; relocated.
    • Water line relocation complete.
    • Concrete work ongoing.

  • February 9, 2024

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    • Roadway is closed for the duration of the work.
    • City of Boise Sewer line in conflict; relocated.
    • Water line relocation complete.
    • Concrete work ongoing.
    • Roadway is closed for the duration of the work.
    • City of Boise Sewer line in conflict; relocated.
    • Water line relocation complete.
    • Concrete work ongoing.
Page last updated: 17 Oct 2025, 03:57 PM