Mallard Drive Bridge

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This project is substantially complete. 

The Ada County Highway District (ACHD) will start construction on Mallard Drive, north of Park Center Boulevard, as early as mid-June or as late as August 2023. Construction is anticipated to be completed in December 2023.*

Project Description

  • As part of the Bridge Maintenance Program, ACHD will remove and replace the existing Mallard Drive culvert over Loggers Creek
  • Reconstruct the adjacent pedestrian ramps to meet modern standards
  • Install pedestrian railings over the Mallard Drive culvert to increase safety

Construction Impacts

  • Temporary road closes
  • Lane restrictions with flaggers
  • Pedestrian detours and sidewalk closures
  • General construction noise, dust, equipment backup alarms, and ground vibration
  • Crews will work from 7 a.m. to 7 p.m. unless otherwise approved
  • The contractor will work with the homeowners to minimize construction impacts

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

The Ada County Highway District (ACHD) will start construction on Mallard Drive, north of Park Center Boulevard, as early as mid-June or as late as August 2023. Construction is anticipated to be completed in December 2023.*

Project Description

  • As part of the Bridge Maintenance Program, ACHD will remove and replace the existing Mallard Drive culvert over Loggers Creek
  • Reconstruct the adjacent pedestrian ramps to meet modern standards
  • Install pedestrian railings over the Mallard Drive culvert to increase safety

Construction Impacts

  • Temporary road closes
  • Lane restrictions with flaggers
  • Pedestrian detours and sidewalk closures
  • General construction noise, dust, equipment backup alarms, and ground vibration
  • Crews will work from 7 a.m. to 7 p.m. unless otherwise approved
  • The contractor will work with the homeowners to minimize construction impacts

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

This project is substantially complete. 

  • December 1, 2023

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    • Mallard was paved on November 21st.
    • Rail has been installed.
    • Minor work remains, including landscaping and pavement markings.
    • Mallard was paved on November 21st.
    • Rail has been installed.
    • Minor work remains, including landscaping and pavement markings.

    This project is substantially complete. 

  • November 22, 2023

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    Mallard is closed for the duration of the project.

    • Mallard paved November 21st.
    • Landscaping and rail remaining.

    Mallard is closed for the duration of the project.

    • Mallard paved November 21st.
    • Landscaping and rail remaining.

    This project is substantially complete. 

  • November 17, 2023

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    ► Mallard is closed for the duration of the project.

    ► Topping slab placed

    ► Sidewalk curb being placed

    ► Asphalt paving anticipated Nov 20th

    ► Mallard is closed for the duration of the project.

    ► Topping slab placed

    ► Sidewalk curb being placed

    ► Asphalt paving anticipated Nov 20th

    This project is substantially complete. 

  • November 9, 2023

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    • Sidewalk and asphalt being removed and replaced.
    • Prepping deck for topping slab.
    • Rip rap placed, out of the creek.
    • Sidewalk and asphalt being removed and replaced.
    • Prepping deck for topping slab.
    • Rip rap placed, out of the creek.

    This project is substantially complete. 

  • November 3, 2023

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    • Dewatering ongoing.
    • Backfilling ongoing.
    • Rip rap placement after backfill.
    • Sidewalk and asphalt being removed.
    • Dewatering ongoing.
    • Backfilling ongoing.
    • Rip rap placement after backfill.
    • Sidewalk and asphalt being removed.

    This project is substantially complete. 

  • October 27, 2023

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    • Dewatering ongoing
    • Backfilling ongoing
    • Rip rap placement after backfill
    • Dewatering ongoing
    • Backfilling ongoing
    • Rip rap placement after backfill

    This project is substantially complete. 

  • October 20, 2023

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    • Footings placed.
    • Dewatering ongoing.
    • Precast boxes set.
    • Closure pour anticipated October 17th.
    • Backfill after closure pour is cured.
    • Footings placed.
    • Dewatering ongoing.
    • Precast boxes set.
    • Closure pour anticipated October 17th.
    • Backfill after closure pour is cured.

    This project is substantially complete. 

  • October 12, 2023

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    • Footings placed
    • Dewatering ongoing
    • Precast boxes set
    • Closure pour anticipated on October 13th
    • Backfill after closure pour is cleared
    • Footings placed
    • Dewatering ongoing
    • Precast boxes set
    • Closure pour anticipated on October 13th
    • Backfill after closure pour is cleared

    This project is substantially complete. 

  • October 6, 2023

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    • Footings placed.
    • Dewatering ongoing.
    • Placing Rip Rap.
    • Anticipated box placement week of October 9th.
    • Footings placed.
    • Dewatering ongoing.
    • Placing Rip Rap.
    • Anticipated box placement week of October 9th.

    This project is substantially complete. 

  • September 29, 2023

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    • Footings placed.
    • Dewatering ongoing.
    • Footings placed.
    • Dewatering ongoing.

    This project is substantially complete.