ZIP 99158 (Oakesdale, WA) truck route planning & crash data
Plan safer truck routes around ZIP 99158: commercial truck and garbage truck crashes here and in Whitman 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
4 of 209 truck crashes since 2015.
Deadliest roads
How Whitman County compares with Washington
Whitman County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Whitman County stands out
Full comparison
| Measure (2015–2025) | Whitman County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 37.2 | 25.8 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 5.1 | 3.4 | 3.4 | 1.5× the state |
| Injuries per crash | 0.18 | 0.18 | 0.49 | same |
| Garbage-truck share | 2.0% | 2.2% | 2.3% | 8% below the state |
| On snow, slush or ice | 17.2% | 9.7% | 6.2% | 1.8× the state |
| Morning rush (6–10 am) | 24.8% | 24.8% | 23.7% | same |
| In rain, sleet or snow | 12.1% | 20.2% | 13.8% | 40% below the state |
| Winter months (Nov–Mar) | 44.4% | 43.8% | 41.9% | same |
| After dark | 16.2% | 25.2% | 24.8% | 36% below the state |
Compared with Washington, Whitman County is lower on garbage-truck share, in rain, sleet or snow and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
Whitman County at a glance: 17.2% of truck crashes happened on snow, slush or ice, vs 9.7% in Washington.
Overview
Whitman County has recorded 209 truck crashes since 2015, with 38 people injured and 11 killed.
In complete reporting years that works out to about one truck crash every 20 days.
When crashes happen
Truck crashes peak in August (14.8% of the year) and are lowest in June (4.8%).
November through March accounts for 44.4% of truck crashes here, compared with 43.8% in Washington.
By time of day, 2–3 pm stands out with 10.5% of truck crashes.
Road surface: 17.2% of truck crashes were on snow, slush or ice (Washington: 9.7%).
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 99158 since 2015 were spread across roads: US-195 (2).
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 1.9% share (Washington: 2.2%).
Route planning tips for ZIP 99158 fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Whitman County.
- With 17.2% of truck crashes on snow, slush or ice (above Washington), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Whitman County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-195 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Whitman County) |
|---|---|
| Sr-128*001.00 | 3 |
| Sr-195*000.50 | 3 |
| Farmington Rd/Sr-27 | 2 |
| Sr-128*000.50 | 2 |
| Sr-194*003.00 | 2 |
| Sr-195*002.00 | 2 |
| Sr-195*018.00 | 2 |
| Sr-195*036.50 | 2 |
ZIP 99158 at a glance
| Population | 561 |
| Density | 2 per sq mi |
| Median household income | $78,375 |
| Median home value | $300,174 |
| Home ownership | 88% |
Waste facilities and haulers nearby
Historical data: truck crashes in Whitman 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 | 7 | — | 0.6 |
| 2000s | 14 | +93% | 0.8 |
| 2010s | 17 | +21% | 0.9 |
| 2020s | 16 | -4% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 7 to 16. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 99158
How many truck crashes happen in ZIP 99158?
Whitman County has had 209 reported truck crashes since 2015, injuring 38 people and killing 11.
Which month has the most truck crashes in ZIP 99158?
Truck crashes in Whitman County peak in August, with 14.8% of the year's crashes.
How many garbage truck accidents happen in ZIP 99158?
Since 2015, Whitman County has reported 4 garbage-truck crashes, or 1.9% of its truck crashes.
How does ZIP 99158 compare with Washington for truck crashes?
Per 100,000 residents, Whitman County has 37.2 truck crashes a year; Washington has 25.8.
How can I plan a safer truck route in ZIP 99158?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.