Mossyrock, WA truck route planning & crash data
Plan safer truck routes in Mossyrock: commercial truck and garbage truck crashes in Mossyrock and Lewis County, dangerous roads, seasonality and route safety data for fleets. Patterns use Lewis County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
8 of 716 truck crashes since 2015.
Deadliest roads
How Lewis County compares with Washington
Lewis County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lewis County stands out
Full comparison
| Measure (2015–2025) | Lewis County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 70.4 | 25.8 | 49.7 | 2.7× the state |
| Deaths per 100 crashes | 3.1 | 3.4 | 3.4 | 9% below the state |
| Injuries per crash | 0.22 | 0.18 | 0.49 | 1.2× the state |
| Garbage-truck share | 1.2% | 2.2% | 2.3% | 46% below the state |
| On snow, slush or ice | 9.5% | 9.7% | 6.2% | same |
| Morning rush (6–10 am) | 16.8% | 24.8% | 23.7% | 32% below the state |
| In rain, sleet or snow | 31.9% | 20.2% | 13.8% | 1.6× the state |
| Winter months (Nov–Mar) | 49.3% | 43.8% | 41.9% | 1.1× the state |
| After dark | 33.8% | 25.2% | 24.8% | 1.3× the state |
Compared with Washington, Lewis County is lower on deaths per 100 crashes, garbage-truck share and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, injuries per crash and in rain, sleet or snow.
Lewis County at a glance: 31.9% of truck crashes happen in rain, sleet or snow, vs 20.2% in Washington.
Overview
Police reported 716 crashes involving commercial trucks in Lewis County since 2015: 161 people were injured and 24 were killed.
In complete reporting years that works out to about one truck crash every 6 days.
Only 37 truck crashes were reported in Mossyrock since 2015; patterns below come from Lewis County as a whole.
When crashes happen
Truck crashes peak in February (11.6% of the year) and are lowest in May (4.6%).
November through March accounts for 49.3% of truck crashes here, compared with 43.8% in Washington.
By time of day, 11 am–12 pm stands out with 8.0% of truck crashes.
Road surface: 9.5% 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 Mossyrock happened on US-12 (2) and CR-GORE Rd (1); no road leads clearly.
Garbage & waste trucks
8 crashes involved a garbage or refuse truck, a 1.1% share (Washington: 2.2%).
Route planning tips for Mossyrock fleets
- Build extra time into February routes: it has the most truck crashes here.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Lewis County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-12 | 2 |
| CR-GORE Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Lewis County) |
|---|---|
| Bishop Rd Blk 1500 | 3 |
| Harrison Ave Blk 1000 | 3 |
| Harrison Ave Blk 900 | 3 |
| I 5 Mp 060.70 | 3 |
| Rush Rd Blk 1200 | 3 |
| Sr-12*095.00 | 3 |
| Sr-12*142.00 | 3 |
| Avery Rd W Blk 400 | 2 |
Mossyrock at a glance
| Population | 803 |
| Land area | 0.8 sq mi |
| Density | 1,071 per sq mi |
| Median household income (ZIP 98585) | $74,167 |
Waste facilities and haulers nearby
Historical data: truck crashes in Lewis 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 | 38 | — | 2.5 |
| 2000s | 48 | +27% | 2.1 |
| 2010s | 57 | +17% | 1.2 |
| 2020s | 60 | +5% | 1.6 |
Reported truck crashes averaged 38 a year in the 1990s and 60 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 1.2 a year in 2016–19, 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Mossyrock
How common are truck crashes in Mossyrock?
716 truck crashes have been reported in Lewis County since 2015, with 24 deaths and 161 injuries.
Which month has the most truck crashes in Mossyrock?
The worst month is February: 11.6% of truck crashes in Lewis County happen then.
Are garbage truck crashes common in Mossyrock?
8 crashes involving garbage or refuse trucks have been reported in Lewis County since 2015, 1.1% of all truck crashes.
What is the truck crash rate in Mossyrock compared with Washington?
The yearly rate is 70.4 truck crashes per 100,000 residents in Lewis County, vs 25.8 for Washington.
How do I plan a garbage truck route in Mossyrock?
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.