Columbia Road Bridge

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This project is substantially complete. 

As part of the Ada County Highway District’s (ACHD) Bridge Maintenance Program, ACHD will replace the bridge on Columbia Road east of Ten Mile Road, 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 Kuna 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 bridge on Columbia Road east of Ten Mile Road, 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 Kuna Canal.

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

This project is substantially complete. 

  • April 25, 2024

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    This project is substantially complete.

  • April 12, 2024

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    • Columbia Road closed for the duration of the project.
    • Excavating road - Ongoing.
    • Paving anticipated April 10th.
    • Sand window ongoing.

  • April 5, 2024

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    • Columba Road closed for the duration of the project.
    • Excavating road - Ongoing.
    • Paving anticipated April 10th.

  • March 29, 2024

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    • Columba Road closed for the duration of the project.
    • Excavating road - Ongoing.
    • Paving anticipated April 10th.

  • March 21, 2024

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    • Columbia Road closed for the duration of the project.
    • Prepping for sidewalk.
    • Excavating road - Ongoing.
    • Placing Rip Rap.

  • March 15, 2024

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    • Columba Road closed for the duration of the project.
    • Prepping for sidewalk.
    • Excavating road. Ongoing.
    • Placing Rip Rap.

  • March 8, 2024

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    • Columba Road closed for the duration of the project.
    • Apron placed February 28th.
    • Excavating road.

  • March 1, 2024

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    • Columba Road closed for the duration of the project.
    • Apron being placed February 28th.
    • Excavating road.

  • February 23, 2024

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    • Columbia Road closed for the duration of the project.
    • Apron remaining.
    • Excavating road.

  • February 16, 2024

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    • Columba Road closed for the duration of the project.
    • Culvert placed.
    • Deck placed.
    • Forming headwalls.