Shoup Avenue 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 culvert on Shoup Avenue, west of Maple Grove Road, as early as the beginning of November 2022 or possibly as late as mid-January 2023.* Construction is expected to be complete spring of 2023.

This bridge improvement project will include removing and replacing the existing bridge over the Farmers Lateral canal.

*Due to high demand for contractors, labor and supplies, the date range is designed to give the contractor flexibility so they can begin the project when resources are available.


Commuters are reminded to obey all road closure signs and follow the signs along the detour route. Commuters should never attempt to drive, bike, or walk on closed portions of the road, regardless of whether there appears to be active construction. It is unlawful to move or manipulate construction signs and doing so can put commuters and construction workers at great risk.

As part of the Ada County Highway District's (ACHD) Bridge Maintenance Program, ACHD will replace the culvert on Shoup Avenue, west of Maple Grove Road, as early as the beginning of November 2022 or possibly as late as mid-January 2023.* Construction is expected to be complete spring of 2023.

This bridge improvement project will include removing and replacing the existing bridge over the Farmers Lateral canal.

*Due to high demand for contractors, labor and supplies, the date range is designed to give the contractor flexibility so they can begin the project when resources are available.


Commuters are reminded to obey all road closure signs and follow the signs along the detour route. Commuters should never attempt to drive, bike, or walk on closed portions of the road, regardless of whether there appears to be active construction. It is unlawful to move or manipulate construction signs and doing so can put commuters and construction workers at great risk.

This project is substantially complete.

  • April 21, 2023

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    This project is substantially complete

  • April 14, 2023

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    • Asphalt paving was completed by April 11th.
    • Bridge railing is the only work remaining.

  • April 7, 2023

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    • Roadway work ongoing.
    • Curb, gutter, and sidewalk nearly complete.
    • Gradework for road way has started.

  • March 31, 2023

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    • Bridge work is complete.
    • Roadway work ongoing. Prepping for curb, gutter and sidewalk.
    • Grade issues have required minor rework of curb, gutter and sidewalk.

  • March 24, 2023

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    • Box culvert complete. Topping slab was placed on March 23rd.
    • Roadway work on-going. Prepping for curb, gutter and sidewalk.

  • March 17, 2023

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    • Utility work ongoing.
    • Box culvert sections set and box waterproofing continues.
    • North headwall placement complete.
    • TTC is set up per the approved plan. No issues to report.

  • March 10, 2023

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    • Utility work ongoing.
    • Box culvert sections set and box waterproofing started.
    • North footing placed.
    • North headwall placement March 9th.
    • TTC is set per approved plan.

  • March 3, 2023

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    • Utility work ongoing.
    • South concrete foundation for wingwall complete.
    • Box culvert section set.
    • North footing placed.
    • TTC is set up per the approved plan.

  • February 24, 2023

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    • Utility work ongoing.
    • Contractor has excavated and is currently grade prepping for foundations.
    • South concrete foundation for wing wall complete.
    • Box culvert section installation started.
    • Contractor is working on a shoring system for the north wing wall excavation.
    • TTC is set up per the approved plan.

  • February 17, 2023

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    • Utility work ongoing.
    • Contractor has excavated and is currently grade prepping for foundations.
    • TTC is set up per the approved plan.