ZIP 98946 (Thorp, WA) truck route planning & crash data
Plan safer truck routes around ZIP 98946: commercial truck and garbage truck crashes here and in Kittitas 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
5 of 1,375 truck crashes since 2015.
Deadliest roads
How Kittitas County compares with Washington
Kittitas County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Kittitas County stands out
Full comparison
| Measure (2015–2025) | Kittitas County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 248.4 | 25.8 | 49.7 | 9.6× the state |
| Deaths per 100 crashes | 2.0 | 3.4 | 3.4 | 41% below the state |
| Injuries per crash | 0.10 | 0.18 | 0.49 | 44% below the state |
| Garbage-truck share | 0.4% | 2.2% | 2.3% | 83% below the state |
| On snow, slush or ice | 35.2% | 9.7% | 6.2% | 3.6× the state |
| Morning rush (6–10 am) | 21.7% | 24.8% | 23.7% | 12% below the state |
| In rain, sleet or snow | 32.8% | 20.2% | 13.8% | 1.6× the state |
| Winter months (Nov–Mar) | 55.1% | 43.8% | 41.9% | 1.3× the state |
| After dark | 33.5% | 25.2% | 24.8% | 1.3× the state |
Kittitas County sits below Washington on deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
Kittitas County at a glance: 35.2% on snowy, slushy or icy roads, against 9.7% across Washington.
Overview
Since 2015, 1,375 crashes involving commercial trucks have been reported in Kittitas County. They injured 142 people and killed 28.
Across the years with complete reporting, that is roughly one truck crash every 3 days.
When crashes happen
Truck crashes peak in December (15.0% of the year) and are lowest in April (5.0%).
The five winter months (November to March) hold 55.1% of truck crashes, against 43.8% across Washington.
The busiest hour is 5–6 am, with 6.8% of truck crashes.
Snow, slush or ice was on the road in 35.2% of truck crashes, compared with 9.7% in Washington.
Where crashes happen
I-90 leads within 10 miles of ZIP 98946 with 3 fatal crashes involving a large truck since 2015. After it: CR-COVE Rd (1), SR-10 (1) and SR-970 (1).
Garbage & waste trucks
Garbage trucks account for 5 of the truck crashes here, or 0.4%, compared with 2.2% in Washington.
Route planning tips for ZIP 98946 fleets
- Build extra time into December routes: it has the most truck crashes here.
- Look at alternatives to I-90 at busy times: it leads this area in fatal truck crashes.
- Icy and snowy roads show up in 35.2% of truck crashes here, more than Washington; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Kittitas County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 3 |
| CR-COVE Rd | 1 |
| SR-10 | 1 |
| SR-970 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Kittitas County) |
|---|---|
| Sr-10*103.60 | 5 |
| Sr-97*163.20 | 4 |
| I-90 Mp 114.90 | 3 |
| Sr-97*150.00 | 3 |
| Sr-97*153.00 | 3 |
| Sr-97*163.00 | 3 |
| Sr-97*165.00 | 3 |
| Canyon Rd Blk 7100 | 2 |
ZIP 98946 at a glance
| Population | 398 |
| Density | 3 per sq mi |
| Median household income | $121,875 |
| Median home value | $389,625 |
| Home ownership | 67% |
Waste facilities and haulers nearby
Historical data: truck crashes in Kittitas 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 | 71 | — | 2.0 |
| 2000s | 72 | +2% | 1.5 |
| 2010s | 108 | +49% | 1.5 |
| 2020s | 119 | +11% | 1.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 71 to 119. Some of the change may reflect how crashes were reported. NHTSA counts 2.8 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 98946
How many truck crashes happen in ZIP 98946?
1,375 truck crashes have been reported in Kittitas County since 2015, with 28 deaths and 142 injuries.
Which road has the most fatal truck crashes in ZIP 98946?
NHTSA data shows I-90 with 3 fatal large-truck crashes within 10 miles of ZIP 98946 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 98946?
Truck crashes in Kittitas County peak in December, with 15.0% of the year's crashes.
How many garbage truck accidents happen in ZIP 98946?
Garbage trucks were involved in 5 reported crashes in Kittitas County since 2015 (0.4% of truck crashes).
How does ZIP 98946 compare with Washington for truck crashes?
The yearly rate is 248.4 truck crashes per 100,000 residents in Kittitas County, vs 25.8 for Washington.
How can I plan a safer truck route in ZIP 98946?
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.