Bryson Road Bridge & Wildwood Street 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 culverts on Bryson Avenue and Wildwood Street, north of Fairview Avenue, 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.

Both bridge improvement projects will include removing and replacing the existing bridge over the South Slough 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 culverts on Bryson Avenue and Wildwood Street, north of Fairview Avenue, 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.

Both bridge improvement projects will include removing and replacing the existing bridge over the South Slough 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 7, 2023

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    • Wildwood Bridge - Landscape repair remaining.
    • Bryson Bridge - Placing trash rack and bike rails. Landscape repair ongoing.


  • March 31, 2023

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    • Wildwood Bridge - Landscape repair remaining. Minor work on shoulders.
    • Bryson Bridge - Minor work remains. Placing trash rack and bike rails. Landscape repair ongoing.

  • March 24, 2023

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    • Wildwood Bridge - Asphalt paving done on March 16th. Minor work remains.
    • Bryson Bridge - Minor work remains.

  • March 17, 2023

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    • Bryson Bridge - Culvert installed. Backfill walls ongoing.
    • Wildwood Bridge - Asphalt paving done on March 16th.

  • March 10, 2023

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    • Culvert installed - Bryson Road.
    • Headwalls placed - waiting for concrete strength before backfilling.
    • Backfill walls starting the week of March 13th.
    • Wildwood Bridge - Backfilling the road, waiting for hot plants to open. Finishing curb and sidewalk the week of March 6th.

  • March 3, 2023

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    • Wildwood Bridge - backfilling and waiting for hot plants to open.
    • Bryson - culvert installed. Headwalls placed. Waiting for concrete strength prior to backfilling.

  • February 24, 2023

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    • Wildwood Bridge - backfilling the road. Waiting for hot plants to open.
    • Bryson Bridge - culvert installed. Prepping for headwalls on East Side.

  • February 17, 2023

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    • Bryson - Clearing and grubbing. Excavating footers.
    • Wildwood Bridge - Demo on the bridge starting the 23rd - pipe placed. Backfilling road, waiting for hot plants to open.

  • February 10, 2023

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    • Lena Bridge - ongoing. Concrete pad and backfill remaining.
    • CIPP liner ongoing. Bike rail ongoing.
    • Wildwood Bridge - demo starting on the 23rd. Pipe is placed. Backfilling road, waiting for hot plants to open.
    • Bryson Bridge - Clearing and grubbing. Excavating for footers.

  • February 3, 2023

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    • Lena Bridge is ongoing - concrete pad and backfill remaining.
    • CIPP liner ongoing. Bike rail ongoing.
    • Wildwood Bridge - Demo on bridge starting January 23rd.
    • Gas conflict anticipated being lowered starting February 1.
    • Bryson Bridge - Precast boxes completed by February 3rd.