ZIP 98320 (Brinnon, WA) truck route planning & crash data
Plan safer truck routes around ZIP 98320: commercial truck and garbage truck crashes here and in Jefferson 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
3 of 136 truck crashes since 2015.
Deadliest roads
How Jefferson County compares with Washington
Jefferson County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 34.5 | 25.8 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 4.7 | 3.4 | 3.4 | 1.4× the state |
| Injuries per crash | 0.32 | 0.18 | 0.49 | 1.8× the state |
| Garbage-truck share | 2.3% | 2.2% | 2.3% | same |
| On snow, slush or ice | 3.9% | 9.7% | 6.2% | 60% below the state |
| Morning rush (6–10 am) | 31.8% | 24.8% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 21.7% | 20.2% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 43.4% | 43.8% | 41.9% | same |
| After dark | 17.8% | 25.2% | 24.8% | 29% below the state |
Jefferson County sits below Washington on on snow, slush or ice and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Jefferson County: February 15.4% of truck crashes happen in February, more than any other month.
Overview
Since 2015, 136 crashes involving commercial trucks have been reported in Jefferson County. They injured 43 people and killed 6.
Across the years with complete reporting, that is roughly one truck crash every 31 days.
When crashes happen
Truck crashes peak in February (15.4% of the year) and are lowest in November (3.7%).
November through March accounts for 43.4% of truck crashes here, compared with 43.8% in Washington.
By time of day, 9–10 am stands out with 12.5% of truck crashes.
Road surface: 3.9% 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 98320 happened on US-101 (2); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 2.2%, compared with 2.2% in Washington.
Route planning tips for ZIP 98320 fleets
- Review driver schedules for February, the month with the most truck crashes.
- 31.8% of truck crashes happen between 6 and 10 am, above Washington; consider earlier or later starts where possible.
- 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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-101 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| Sr-104*008.00 | 3 |
| Sr-20*006.25 | 3 |
| Sr-101*176.00 | 2 |
| Sr-101*280.00 | 2 |
| Sr-101*293.10 | 2 |
| Sr-101*301.00 | 2 |
| Sr-101*311.00 | 2 |
| Sr-104*013.76 | 2 |
ZIP 98320 at a glance
| Population | 1,219 |
| Density | 3 per sq mi |
| Median household income | $55,893 |
| Median home value | $278,583 |
| Home ownership | 84% |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 6 | — | 0.7 |
| 2000s | 7 | +27% | 0.9 |
| 2010s | 9 | +28% | 0.5 |
| 2020s | 12 | +27% | 1.0 |
Reported truck crashes averaged 6 a year in the 1990s and 12 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 98320
How common are truck crashes in ZIP 98320?
Since 2015, 136 crashes involving commercial trucks were reported in Jefferson County (43 injured, 6 killed).
What is the worst month for truck crashes in ZIP 98320?
Truck crashes in Jefferson County peak in February, with 15.4% of the year's crashes.
Are garbage truck crashes common in ZIP 98320?
Since 2015, Jefferson County has reported 3 garbage-truck crashes, or 2.2% of its truck crashes.
How do truck crashes in ZIP 98320 compare with Washington?
Jefferson County records 34.5 truck crashes per 100,000 residents a year, against 25.8 across Washington.
How can I plan a safer truck route in ZIP 98320?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.