2023 State Street Improvements: State and 16th/ State, 4th to 2nd

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This project is substantially complete. 

The Ada County Highway District (ACHD) will be constructing improvements to the State Street and 16th Street intersection and State Street from east of 4th Street to 2nd Street starting as early as late late March.* Work is expected to be complete by Summer 2024.

Project Description

  • Reconstruct both the State Street & 16th Street intersection and State St., east of 4th Street to 2nd Street
  • Complete traffic signal work at State Street & 16th Street
  • Add bioretention curb extensions and updated pedestrian ramps to both segments of State Street
  • As part of this project, ACHD will also be adding dual enhanced pedestrian crossings with bike push buttons across State Street at 3rd Street

Traffic and Construction Impacts

  • When the street isn’t closed, traffic flow will be prioritized during heavy commute times in the mornings and evenings. Crews will work 9 a.m.- 4 p.m. during the day and 8 p.m.-5 a.m. at night.
  • Night and weekend work is to be expected.
  • Crews may work 24 hours a day when blocks are fully closed, though night work will be evaluated for each location and must be pre-approved by ACHD.
  • One travel lane in each direction will remain open unless the street segment is completely closed.
  • Temporary pedestrian and bicyclist detours.
  • Temporary on-street parking impacts.
  • General construction noise, including equipment backup alarms, dust and ground vibration.
  • The contractor will coordinate with property and business owners to maintain access or provide alternative access.

*The construction schedule could change due to contractor staffing issues and supply-chain shortages.

The Ada County Highway District (ACHD) will be constructing improvements to the State Street and 16th Street intersection and State Street from east of 4th Street to 2nd Street starting as early as late late March.* Work is expected to be complete by Summer 2024.

Project Description

  • Reconstruct both the State Street & 16th Street intersection and State St., east of 4th Street to 2nd Street
  • Complete traffic signal work at State Street & 16th Street
  • Add bioretention curb extensions and updated pedestrian ramps to both segments of State Street
  • As part of this project, ACHD will also be adding dual enhanced pedestrian crossings with bike push buttons across State Street at 3rd Street

Traffic and Construction Impacts

  • When the street isn’t closed, traffic flow will be prioritized during heavy commute times in the mornings and evenings. Crews will work 9 a.m.- 4 p.m. during the day and 8 p.m.-5 a.m. at night.
  • Night and weekend work is to be expected.
  • Crews may work 24 hours a day when blocks are fully closed, though night work will be evaluated for each location and must be pre-approved by ACHD.
  • One travel lane in each direction will remain open unless the street segment is completely closed.
  • Temporary pedestrian and bicyclist detours.
  • Temporary on-street parking impacts.
  • General construction noise, including equipment backup alarms, dust and ground vibration.
  • The contractor will coordinate with property and business owners to maintain access or provide alternative access.

*The construction schedule could change due to contractor staffing issues and supply-chain shortages.

This project is substantially complete. 

  • December 15, 2023

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    • Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection. •
    • Electrical work ongoing – signal poles have been set. •
    • Striping complete.
    • Waiting on landscape repair (including bioretention beds) and signal install.
    • Ped ramp walkarounds and sidewalk repair behind curb lines remains. Crews still working.
    • Anticipate re-opening the road in mid/late December.
    • Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection. •
    • Electrical work ongoing – signal poles have been set. •
    • Striping complete.
    • Waiting on landscape repair (including bioretention beds) and signal install.
    • Ped ramp walkarounds and sidewalk repair behind curb lines remains. Crews still working.
    • Anticipate re-opening the road in mid/late December.

    This project is substantially complete. 

  • December 8, 2023

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    • Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection.
    • Electrical work ongoing - prepped for signal poles after paving is complete.
    • Striping complete.
    • Waiting on landscape repair (including bioretention beds) and signal install.
    • Ped ramp walkarounds and sidewalk repair behind curb lines remains.
    • Crews on site December 6th.
    • Anticipate re-opening the road in mid/late December.
    • Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection.
    • Electrical work ongoing - prepped for signal poles after paving is complete.
    • Striping complete.
    • Waiting on landscape repair (including bioretention beds) and signal install.
    • Ped ramp walkarounds and sidewalk repair behind curb lines remains.
    • Crews on site December 6th.
    • Anticipate re-opening the road in mid/late December.

    This project is substantially complete. 

  • December 1, 2023

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    • Electrical work ongoing - prepped for signal poles after paving is complete.
    • Striping complete.
    • Waiting on landscape repair (including bioretention beds) and signal install.
    • Ped ramp walkarounds and sidewalk repair behind curb lines remains.
    • Anticipate re-opening the road in mid-December.
    • Electrical work ongoing - prepped for signal poles after paving is complete.
    • Striping complete.
    • Waiting on landscape repair (including bioretention beds) and signal install.
    • Ped ramp walkarounds and sidewalk repair behind curb lines remains.
    • Anticipate re-opening the road in mid-December.

    This project is substantially complete. 

  • November 22, 2023

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    Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection.

    • Curbing is complete.
    • Paving complete.
    • Electrical work ongoing - prepped for signal poles after paving is complete.
    • Striping complete.
    • Anticipate re-opening the road early December after signals are installed.

    Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection.

    • Curbing is complete.
    • Paving complete.
    • Electrical work ongoing - prepped for signal poles after paving is complete.
    • Striping complete.
    • Anticipate re-opening the road early December after signals are installed.

    This project is substantially complete. 

  • November 17, 2023

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    • Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection.
      • Curb placed
      • Paving 11/16-11/17
      • Electrical work ongoing - prepped for signal poles after paving is complete.
      • Striping is scheduled for 11/21
    • Work is on State Street, 2nd Street to east of 4th Street and the State Street/16th Street intersection.
      • Curb placed
      • Paving 11/16-11/17
      • Electrical work ongoing - prepped for signal poles after paving is complete.
      • Striping is scheduled for 11/21

    This project is substantially complete. 

  • November 9, 2023

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    • Roadway has been milled to design depth.
    • Demo and grade prep complete on 2nd and 3rd Street.
    • Fiber utility work complete.
    • Curb prep at ped ramps continues.
    • Electrical work ongoing at State and 3rd - prepped for signal poles.
    • Roadway has been milled to design depth.
    • Demo and grade prep complete on 2nd and 3rd Street.
    • Fiber utility work complete.
    • Curb prep at ped ramps continues.
    • Electrical work ongoing at State and 3rd - prepped for signal poles.

    This project is substantially complete. 

  • November 3, 2023

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    • Roadway has been milled to design depth.
    • Demo and grade prep complete on 2nd and 3rd Street.
    • Fiber utility work is ongoing.
    • Curb prep at ped ramps continues.
    • Electrical work ongoing at State and 3rd.
    • Roadway has been milled to design depth.
    • Demo and grade prep complete on 2nd and 3rd Street.
    • Fiber utility work is ongoing.
    • Curb prep at ped ramps continues.
    • Electrical work ongoing at State and 3rd.

    This project is substantially complete. 

  • October 27, 2023

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    • Demo and grade prep continues on 2nd and 3rd Street.
    • Fiber utility work is ongoing.
    • Curb prep at ped ramps has started.
    • Demo and grade prep continues on 2nd and 3rd Street.
    • Fiber utility work is ongoing.
    • Curb prep at ped ramps has started.

    This project is substantially complete. 

  • October 20, 2023

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    • Demo and grade prep continues ton 2nd and 3rd Street.
    • Fiber utility work has begun.
    • Demo and grade prep continues ton 2nd and 3rd Street.
    • Fiber utility work has begun.

    This project is substantially complete. 

  • October 12, 2023

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    • Water work for Veolia continues between 2nd and 4th - Service installation complete.
    • Contractor has started demo on the corners of 2nd Street.
    • Fiber utility work to begin this week.
    • Water work for Veolia continues between 2nd and 4th - Service installation complete.
    • Contractor has started demo on the corners of 2nd Street.
    • Fiber utility work to begin this week.

    This project is substantially complete.