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Ada County

County road alerts, weather impacts, closures, construction notices, and local safety resources for Ada County.

15Road Alerts 0Fire & Safety Alerts 0Air Quality Alerts 0Weather / Red Flag Alerts 7Health Dept Alerts 0Wildlife Alerts Ada County Sheriff Non-Emergency208-577-3000
Official ITD traveler information

Idaho Travel Conditions

Idaho 511

Use the official Idaho 511 map for current road conditions, closures, traffic events, construction, cameras, weather stations, restrictions, and mountain-pass information near Ada County.

Open Idaho 511 View Idaho Cameras View Traffic Events

Official Idaho 511 WZDx work-zone alerts are shown in Road Alerts below. Broader Idaho 511 road conditions, cameras, passes, traffic events, and advisories will be added after the pending developer key is issued.

Road conditions

Road Alerts

15 active
Road closure High priority Source: Idaho 511 WZDx Work Zones

Road closed: E 40th St eastbound

Official Idaho 511 work zone on E 40th St eastbound near US-20 in Ada County. All lanes closed.

Water main work on E 40th St Both Directions near US-20. All lanes closed. 5/14/2026 8:00 AM to 10/30/2026 5:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Activities: Use Caution.

Traffic impact: All lanes closed.

WZDx schedule: May 14, 2026 7:00 AM PDT through Oct 30, 2026 4:00 PM PDT.

Reported lanes: 2 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Medium priority Source: Idaho 511 WZDx Work Zones

Work zone: US-20 northbound

Official Idaho 511 work zone on US-20 northbound near Phyllis Canal in Ada County. Some lanes closed.

Utility work on US-20 Northbound near Phyllis Canal. 1 Right lane closed. 8/17/2026 9:00 PM to 9/28/2026 6:00 AM Mon, Tue, Wed, Thu, Fri, Sat, Sun: 12:00 AM - 5:00 AM, 9:00 PM - 12:00 AM Activities: Look Out for Flagger.

Traffic impact: Some lanes closed.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 28, 2026 5:00 AM PDT.

Reported lanes: 1 open, 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Medium priority Source: Idaho 511 WZDx Work Zones

Work zone: I-184 Westbound eastbound

Official Idaho 511 work zone on I-184 Westbound eastbound near I-184 Westbound to I-84 Eastbound in Ada County. Alternating one-way traffic.

Night time construction on ramp from I-184 Westbound to I-84 Eastbound. Lanes Alternating. 8/30/2026 10:00 PM to 9/12/2026 5:00 AM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 5:00 AM, 10:00 PM - 12:00 AM, Sat: 12:00 AM - 5:00 AM, Sun: 10:00 PM - 12:00 AM Width Restriction: 12ft Activities: Consider Alternative Route, Use Caution.

Traffic impact: Alternating one-way traffic.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 12, 2026 3:59 AM PDT.

Restrictions: Reduced Width: 12 feet.

Reported lanes: 2 alternating flow.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Medium priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-55 northbound

Official Idaho 511 work zone on SH-55 northbound near E Fairview Ave in Ada County. Some lanes closed.

Work on the shoulder on SH-55 Northbound from E Fairview Ave to E Fairview Ave. 1 Right lane closed. 2/23/2026 12:00 AM MT to 10/12/2026 4:23 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: Some lanes closed.

WZDx schedule: Feb 22, 2026 11:00 PM PST through Oct 12, 2026 3:23 PM PDT.

Reported lanes: 2 open, 1 closed.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-16

Official Idaho 511 work zone on SH-16 near W Floating Feather Rd to W Beacon Light Rd in Ada County. All lanes remain open.

Watch for workers on SH-16 Both Directions from W Floating Feather Rd to W Beacon Light Rd. 8/11/2026 8:00 AM to 9/25/2026 5:00 AM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: All lanes remain open.

WZDx schedule: Aug 11, 2026 7:00 AM PDT through Sep 25, 2026 4:00 AM PDT.

Reported lanes: 2 open.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-16 northbound

Official Idaho 511 work zone on SH-16 northbound near W Beacon Light Rd in Ada County. Traffic impact not specified.

Utility work on SH-16 Northbound from W Beacon Light Rd to W Beacon Light Rd. All Shoulders Closed. 8/24/2026 7:00 AM to 10/9/2026 7:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 24, 2026 6:00 AM PDT through Oct 9, 2026 6:00 PM PDT.

Reported lanes: 1 closed.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: S Ten Mile Rd northbound

Official Idaho 511 work zone on S Ten Mile Rd northbound near I-84 Eastbound in Ada County. Traffic impact not specified.

Night time construction on S Ten Mile Rd Both Directions Near I-84 Eastbound. All Lanes Shift. 8/31/2026 9:00 PM MT to 9/3/2026 5:00 PM MT Mon, Thu: 10:00 PM - 12:00 AM, Tue: 12:00 AM - 5:00 AM, Wed: Paused all day Activities: Consider Alternative Route, Look Out for Flagger, Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 31, 2026 8:00 PM PDT through Sep 3, 2026 4:00 PM PDT.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: S Ten Mile Rd southbound

Official Idaho 511 work zone on S Ten Mile Rd southbound near I-84 Eastbound in Ada County. Traffic impact not specified.

Night time construction on S Ten Mile Rd Both Directions Near I-84 Eastbound. All Lanes Shift. 8/31/2026 9:00 PM MT to 9/3/2026 5:00 PM MT Mon, Thu: 10:00 PM - 12:00 AM, Tue: 12:00 AM - 5:00 AM, Wed: Paused all day Activities: Consider Alternative Route, Look Out for Flagger, Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 31, 2026 8:00 PM PDT through Sep 3, 2026 4:00 PM PDT.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: W State St westbound

Official Idaho 511 work zone on W State St westbound near Moyle to N Palmer Ln in Ada County. Traffic impact not specified.

Long term road construction on W State St from Moyle to N Palmer Ln. All Shoulders Affected. 8/4/2025 5:13 PM to 6/21/2027 9:00 PM Mon, Tue, Wed, Thu, Fri: Active all day, Sat, Sun: Paused all day Width Restriction: 11ft Speed Restriction: 45mph Activities: Look Out for Flagger, Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 18, 2026 10:59 PM PDT.

Restrictions: Reduced Width: 11 feet.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-16 southbound

Official Idaho 511 work zone on SH-16 southbound near SH-16 to US-20 in Ada County. Traffic impact not specified.

Long term road construction on SH-16 Southbound from SH-16 to US-20. Ramp Affected. 3/17/2026 2:59 PM to 11/20/2026 2:59 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 12ft Activities: Look out for flagger.

Traffic impact: Traffic impact not specified.

WZDx schedule: Mar 17, 2026 1:59 PM PDT through Nov 20, 2026 1:59 PM PST.

Restrictions: Reduced Width: 12 feet.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: I-84 eastbound

Official Idaho 511 work zone on I-84 eastbound near Garrity Blvd to Ten Mile Road in Ada County. All lanes remain open.

Long term road construction on I-84 Both Directions from Garrity Blvd to Ten Mile Road. 1/31/2025 1:00 PM to 12/31/2026 8:00 PM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 10:00 AM, 7:00 PM - 12:00 AM, Sat, Sun: Paused all day

Traffic impact: All lanes remain open.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 18, 2026 10:59 PM PDT.

Reported lanes: 4 open.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: I-84 westbound

Official Idaho 511 work zone on I-84 westbound near Garrity Blvd to Ten Mile Road in Ada County. All lanes remain open.

Long term road construction on I-84 Both Directions from Garrity Blvd to Ten Mile Road. 1/31/2025 1:00 PM to 12/31/2026 8:00 PM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 10:00 AM, 7:00 PM - 12:00 AM, Sat, Sun: Paused all day

Traffic impact: All lanes remain open.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 18, 2026 10:59 PM PDT.

Reported lanes: 4 open.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: W State St eastbound

Official Idaho 511 work zone on W State St eastbound near Moyle to N Palmer Ln in Ada County. Traffic impact not specified.

Long term road construction on W State St from Moyle to N Palmer Ln. All Shoulders Affected. 8/4/2025 5:13 PM to 6/21/2027 9:00 PM Mon, Tue, Wed, Thu, Fri: Active all day, Sat, Sun: Paused all day Width Restriction: 11ft Speed Restriction: 45mph Activities: Look Out for Flagger, Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 18, 2026 10:59 PM PDT.

Restrictions: Reduced Width: 11 feet.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-16 northbound

Official Idaho 511 work zone on SH-16 northbound near US-20 Westbound to SH-16 in Ada County. Traffic impact not specified.

Long term road construction on SH-16 Northbound from US-20 Westbound to SH-16. Ramp Affected. 3/17/2026 2:53 PM to 11/20/2026 12:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 12ft Activities: Look out for flagger.

Traffic impact: Traffic impact not specified.

WZDx schedule: Mar 17, 2026 1:53 PM PDT through Nov 20, 2026 11:00 AM PST.

Restrictions: Reduced Width: 12 feet.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-16 northbound

Official Idaho 511 work zone on SH-16 northbound near Boise River to W Floating Feather Rd in Ada County. All lanes remain open.

Long term road construction on SH-16 Both Directions from Boise River to W Floating Feather Rd. All Shoulders Affected. 8/4/2025 9:00 PM to 7/19/2027 5:00 AM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 11ft Speed Restriction: 45mph Activities: Look Out for Flagger, Use Caution.

Traffic impact: All lanes remain open.

WZDx schedule: Aug 4, 2025 8:00 PM PDT through Jul 19, 2027 4:00 AM PDT.

Restrictions: Reduced Width: 11 feet.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Weather alerts

Weather Alerts / Red Flag Warnings

0 active

No active weather alerts

No active weather alerts or Red Flag warnings have been posted for this county.

Public health

Health Dept Alerts

7 active
Health Dept alert High priority Source: Idaho Public Health District Notices

Health advisories issued for Grasmere Reservoir and the Bruneau Arm of CJ Strike

Central District Health posted an official public health notice on Aug 21, 2026: Health advisories issued for Grasmere Reservoir and the Bruneau Arm of CJ Strike

This notice is displayed for every county served by Central District Health because the source did not identify a single affected county. August 21, 2026 DHW Communications The Department of Health and Welfare (DHW) is issuing a health advisory for Grasmere Reservoir and the Bruneau Arm of CJ Strike, urging caution when recreating in or near the water. DHW works closely with Southwest District Health (SWDH), Central District Health (CDH) and the Idaho Department of Environmental Quality…
View source on Idaho Public Health District Notices
Health Dept alert High priority Source: Idaho Public Health District Notices

Health Advisory: Increase in Cyclosporiasis Cases Reported in Multiple States

Central District Health posted an official public health notice on Jul 13, 2026: Health Advisory: Increase in Cyclosporiasis Cases Reported in Multiple States

This notice is displayed for every county served by Central District Health because the source did not identify a single affected county. HEALTH ALERT NETWORK   Health District 4   Advisory for Healthcare Providers   July 13, 2026     Health Advisory: Increase in Cyclosporiasis Cases Reported in Multiple States     Key Message   A large multistate outbreak of cyclosporiasis is ongoing, with more than 1,500 cases reported in Michigan and increases reported in several other…
View source on Idaho Public Health District Notices
Health Dept alert High priority Source: Idaho Public Health District Notices

Health Advisory: Consider Avian Influenza A (H5N1) in Patients with Dairy Cattle or Poultry Exposure

Central District Health posted an official public health notice on Jun 16, 2026: Health Advisory: Consider Avian Influenza A (H5N1) in Patients with Dairy Cattle or Poultry Exposure

This notice is displayed for every county served by Central District Health because the source did not identify a single affected county. HEALTH ALERT NETWORK – Health District 4 Advisory for Healthcare Providers: Consider Avian Influenza A (H5N1) in Patients with Dairy Cattle or Poultry Exposure  Key Messages  Local Situation: Avian Influenza A (H5N1) has been confirmed in over 80 Idaho dairy premises, including 12 in District 4 currently under ISDA quarantine. Clinical Suspicion: Consider H5N1 infection in…
View source on Idaho Public Health District Notices
Health Dept alert High priority Source: Idaho Department of Health and Welfare Public Health Notices

Statewide Idaho Alert: Health advisories issued for Grasmere Reservoir and Bruneau Arm of CJ Strike

This is a State Wide Alert for Idaho. Idaho Department of Health and Welfare posted an official public health notice on Aug 21, 2026: Health advisories issued for Grasmere Reservoir and Bruneau Arm of CJ Strike

This notice is displayed on every Idaho county page because it applies statewide. It does not mean the source identified a county-specific case, exposure, closure, or local outbreak in this county.

The Department of Health and Welfare (DHW) is issuing health advisories for Grasmere Reservoir and the Bruneau Arm of CJ Strike, urging caution when recreating in or near the water. Grasmere Reservoir is about 35 miles south of Bruneau on State Highway 51.
View source on Idaho Department of Health and Welfare Public Health Notices
Health Dept alert High priority Source: Idaho Department of Health and Welfare Public Health Notices

Statewide Idaho Alert: Idaho Public Health officials are investigating two outbreaks likely associated with raw milk

This is a State Wide Alert for Idaho. Idaho Department of Health and Welfare posted an official public health notice on Jun 3, 2026: Idaho Public Health officials are investigating two outbreaks likely associated with raw milk

This notice is displayed on every Idaho county page because it applies statewide. It does not mean the source identified a county-specific case, exposure, closure, or local outbreak in this county.

The Department of Health and Welfare (DHW) is working with local and state partners to investigate a recent increase in illnesses after consumption of unpasteurized (raw) milk. Since May 19, 2026, nearly 60 people have been identified who became ill after consuming raw milk.
View source on Idaho Department of Health and Welfare Public Health Notices
Health Dept alert Medium priority Source: Idaho Public Health District Notices

Health Advisory: Increased Risk of Severe West Nile Virus and Other Arboviral Diseases in Patients Receiving B Cell-Depleting or B Cell-Modulating Medications

Central District Health posted an official public health notice on Aug 21, 2026: Health Advisory: Increased Risk of Severe West Nile Virus and Other Arboviral Diseases in Patients Receiving B Cell-Depleting or B Cell-Modulating Medications

This notice is displayed for every county served by Central District Health because the source did not identify a single affected county. HEALTH ALERT NETWORK Health District 4 Advisory for Healthcare Providers August 21, 2026 Key Actions for Healthcare Providers Educate patients receiving B cell-depleting or B cell-modulating therapies (particularly anti-CD20 monoclonal antibodies) about their increased risk for severe arboviral disease and the importance of mosquito and tick bite prevention. Maintain a high index of suspicion for…
View source on Idaho Public Health District Notices
Health Dept alert Medium priority Source: Idaho Public Health District Notices

Health Advisory: New World Screwworm Detected in the United States

Central District Health posted an official public health notice on Jun 9, 2026: Health Advisory: New World Screwworm Detected in the United States

This notice is displayed for every county served by Central District Health because the source did not identify a single affected county. HEALTH ALERT NETWORK Health District 4 Advisory for Healthcare Providers June 9, 2026 Health Advisory: New World Screwworm Detected in the United States As of June 8, 2026, New World Screwworm (NWS), Cochliomyia hominivorax, has been confirmed in four livestock in Texas and one dog in New Mexico. NWS was eradicated from the United States…
View source on Idaho Public Health District Notices
Fire & public safety

Fire & Safety Alerts

0 posted

No fire or safety alerts

No fire or public safety alerts have been posted for this county.

Wildlife safety

Wildlife Safety Alerts

0 posted

No wildlife safety alerts

No official cougar, bear, wolf, or other dangerous wildlife alerts have been posted for Ada County.

For an immediate threat, call 911 or the nearest sheriff's office. For non-emergency wildlife conflicts, contact the nearest Idaho Fish and Game regional office.

Idaho Fish and Game wildlife safety news and alerts Report a wildlife conflict to Idaho Fish and Game Find an Idaho Fish and Game regional office Idaho wildlife management area access and closures Idaho wildlife reporting guidance
Local links

Resources

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