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

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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 July.* Work is expected to be complete by Fall 2023.

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 July.* Work is expected to be complete by Fall 2023.

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.

  • February 16, 2024

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    • State Street, 2nd Street to east of 4th Street - Concrete complete.
    • Landscape repair ongoing- weather dependent.
    • State Street/16th Street intersection - Planning to start in February.
  • February 9, 2024

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    • State Street, 2nd Street to east of 4th Street - Concrete complete.
    • Landscape repair ongoing- weather dependent.
    • State Street/16th Street intersection.
    • Planning to start in February.
  • February 2, 2024

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    • State Street, 2nd Street to east of 4th Street - Minor concrete placements continue under flagging operations.
    • Minor striping work remains at pedestrian crossings.
    • Landscape repair ongoing - weather dependent.
    • State Street/16th Street intersection - Planning to start in February.
  • January 26, 2024

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    • State Street, 2nd Street to east of 4th Street - Minor concrete placements continue under flagging operations.
    • Minor stripe work remains at ped crossings.
    • Landscape repair ongoing- weather dependent.
    • State Street/16th Street intersection - Planning to start in February.
  • January 19, 2024

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    • State Street, 2nd Street to east of 4th Street - Minor concrete placements continue under flagging operations.
    • Minor stripe work remains at ped crossings.
    • Landscape repair ongoing - weather dependent.
    • State Street/16th Street intersection - Planning to start in February.
  • January 12, 2024

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    • State Street, 2nd Street to east of 4th Street - Minor concrete placements continue under flagging operations.
    • Minor stripe work remains at ped crossings.
    • Landscape repair ongoing.
    • State Street/16th Street intersection - Planning to start in February.
  • January 5, 2024

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    • State Street, 2nd Street to east of 4th Street - Electrical work complete. Waiting on landscape repair (including bioretention beds) and signal install.
    • Ped ramp walkarounds and sidewalk repair behind curb lines complete.
    • Road has been re-opened.
    • Minor concrete placements continue under flagging operations. State Street/16th Street intersection.
  • December 22, 2023

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    • State Street, 2nd Street to east of 4th Street
      • Electrical work 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 late December.
  • 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.
  • 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.
Page last updated: 16 Feb 2024, 09:07 AM