ZIP 83251 (Mackay, ID) truck route planning & crash data
Plan safer truck routes around ZIP 83251: commercial truck and garbage truck crashes here and in Custer County, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 24 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Custer County compares with Idaho
Custer County against Idaho and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Custer County stands out
Full comparison
| Measure (2015–2025) | Custer County | Idaho | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.6 | 37.4 | 49.7 | same |
| Deaths per 100 crashes | 15.0 | 6.1 | 3.4 | 2.5× the state |
| Injuries per crash | 0.35 | 0.55 | 0.49 | 36% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 15.0% | 16.0% | 6.2% | same |
| Morning rush (6–10 am) | 15.0% | 23.0% | 23.7% | 35% below the state |
| In rain, sleet or snow | 5.0% | 10.2% | 13.8% | 51% below the state |
| Winter months (Nov–Mar) | 20.0% | 40.9% | 41.9% | 51% below the state |
| After dark | 15.0% | 22.8% | 24.8% | 34% below the state |
Custer County has lower values than Idaho for injuries per crash, garbage-truck share and morning rush (6–10 am). It runs above Idaho on deaths per 100 crashes.
Custer County at a glance: 15.0 people killed per 100 truck crashes (Idaho: 6.1).
Overview
Custer County has recorded 24 truck crashes since 2015, with 8 people injured and 4 killed.
That averages about one truck crash every 201 days in fully reported years.
When crashes happen
July has the most truck crashes, 16.7% of the yearly total, while January has the fewest (0.0%).
Winter months (Nov–Mar) carry 20.0% of truck crashes, vs 40.9% for Idaho.
More truck crashes happen at 4–5 pm than at any other hour (16.7%).
15.0% of truck crashes here happened on snow, slush or ice, against 16.0% across Idaho.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 83251 since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 4.2%, compared with 1.6% in Idaho.
Route planning tips for ZIP 83251 fleets
- Review driver schedules for July, the month with the most truck crashes.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Custer County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Custer County) |
|---|---|
| US-93 | 16 |
| Sh 75 | 5 |
| Houston | 1 |
| Morgan Creek | 1 |
| Thompson Creek | 1 |
ZIP 83251 at a glance
| Population | 1,443 |
| Density | 0 per sq mi |
| Median household income | $73,482 |
| Median home value | $392,073 |
| Home ownership | 79% |
Waste facilities and haulers nearby
Historical data: truck crashes in Custer County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 3 | — | 0.0 |
| 2000s | 3 | +9% | 0.1 |
| 2010s | 2 | -41% | 0.4 |
| 2020s | 2 | -2% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 3 to 2. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 1.0 a year in 2016–19, 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 83251
How common are truck crashes in ZIP 83251?
24 truck crashes have been reported in Custer County since 2015, with 4 deaths and 8 injuries.
What is the worst month for truck crashes in ZIP 83251?
The worst month is July: 16.7% of truck crashes in Custer County happen then.
Are garbage truck crashes common in ZIP 83251?
Garbage trucks were involved in 1 reported crash in Custer County since 2015 (4.2% of truck crashes).
How do truck crashes in ZIP 83251 compare with Idaho?
Custer County records 39.6 truck crashes per 100,000 residents a year, against 37.4 across Idaho.
How can I plan a safer truck route in ZIP 83251?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.