ZIP 99171 (Saint John, WA) truck route planning & crash data
Plan safer truck routes around ZIP 99171: 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 |
Whitman County sits below Washington 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.
The headline for Whitman County: 17.2% on snowy, slushy or icy roads, against 9.7% across Washington.
Overview
Whitman County has recorded 209 truck crashes since 2015, with 38 people injured and 11 killed.
Across the years with complete reporting, that is roughly one truck crash every 20 days.
When crashes happen
August has the most truck crashes, 14.8% of the yearly total, while June has the fewest (4.8%).
Winter months (Nov–Mar) carry 44.4% of truck crashes, vs 43.8% for Washington.
More truck crashes happen at 2–3 pm than at any other hour (10.5%).
Road surface: 17.2% of truck crashes were on snow, slush or ice (Washington: 9.7%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 99171 happened on SR-23 (1); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 4 crashes, 1.9% of the total, against 2.2% across Washington.
Route planning tips for ZIP 99171 fleets
- Review driver schedules for August, the month with the most truck crashes.
- 17.2% of truck crashes were on snow, slush or ice, above Washington; plan winter equipment checks before the season.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Whitman County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-23 | 1 |
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 99171 at a glance
| Population | 895 |
| Density | 1 per sq mi |
| Median household income | $53,333 |
| Median home value | $223,242 |
| Home ownership | 78% |
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 |
In the 1990s about 7 truck crashes a year were reported; in the 2020s, about 16. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.2 a year in 2016–19, 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 99171
How many truck crashes happen in ZIP 99171?
Since 2015, 209 crashes involving commercial trucks were reported in Whitman County (38 injured, 11 killed).
When do most truck crashes happen in ZIP 99171?
Truck crashes in Whitman County peak in August, with 14.8% of the year's crashes.
Are garbage truck crashes common in ZIP 99171?
4 crashes involving garbage or refuse trucks have been reported in Whitman County since 2015, 1.9% of all truck crashes.
What is the truck crash rate in ZIP 99171 compared with Washington?
Whitman County records 37.2 truck crashes per 100,000 residents a year, against 25.8 across Washington.
What is the best way to plan truck routes in ZIP 99171?
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.