2023 State Street Improvements: State and 16th/ State, 4th to 2nd
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.
This project is substantially complete.
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March 30, 2024 - Detour Map Information
Share March 30, 2024 - Detour Map Information on Facebook Share March 30, 2024 - Detour Map Information on Twitter Share March 30, 2024 - Detour Map Information on Linkedin Email March 30, 2024 - Detour Map Information linkPlease see the detour map for the construction project for State Street & 16th Street.
- State Street, 2nd Street to east of 4th Street - Waiting on bioretention beds to be completed.
- State Street/16th Street intersection - Planning to bore for electrical March 28th across State St. This will be night work. Road closures and lane restrictions are scheduled for the first week in April.
8th Example
The enhanced pedestrian crossings across State Street at 3rd Street will be similar to the crossings at 8th Street and River Street.
Project Designs
Who's Listening
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Sr. Project Manager
Phone 208-387-6100 Email projects@achdidaho.org -
Construction Coordinator
Phone 208-387-6100 Email projects@achdidaho.org -
Community and Business Relations Coordinator
Phone 208-387-6100 Email projects@achdidaho.org