ZIP 63664 (Potosi, MO) truck route planning & crash data
Plan safer truck routes around ZIP 63664: commercial truck and garbage truck crashes here and in Washington 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 191 truck crashes since 2015.
Deadliest roads
How Washington County compares with Missouri
Washington County against Missouri and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Washington County stands out
Full comparison
| Measure (2015–2025) | Washington County | Missouri | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 69.8 | 85.9 | 49.7 | 19% below the state |
| Deaths per 100 crashes | 6.6 | 2.7 | 3.4 | 2.4× the state |
| Injuries per crash | 0.80 | 0.44 | 0.49 | 1.8× the state |
| Garbage-truck share | 2.2% | 2.2% | 2.3% | same |
| On snow, slush or ice | 1.7% | 7.2% | 6.2% | 77% below the state |
| Morning rush (6–10 am) | 24.3% | 22.8% | 23.7% | same |
| In rain, sleet or snow | 2.8% | 10.7% | 13.8% | 74% below the state |
| Winter months (Nov–Mar) | 33.1% | 40.7% | 41.9% | 18% below the state |
| After dark | 14.9% | 24.7% | 24.8% | 40% below the state |
Washington County sits below Missouri on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. It stands out for higher deaths per 100 crashes and injuries per crash.
What stands out in Washington County: 6.6 deaths for every 100 truck crashes, against 2.7 across Missouri.
Overview
Washington County has recorded 191 truck crashes since 2015, with 151 people injured and 12 killed.
In complete reporting years that works out to about one truck crash every 22 days.
When crashes happen
May has the most truck crashes, 15.2% of the yearly total, while January has the fewest (4.2%).
November through March accounts for 33.1% of truck crashes here, compared with 40.7% in Missouri.
By time of day, 11 am–12 pm stands out with 11.0% of truck crashes.
Road surface: 1.7% of truck crashes were on snow, slush or ice (Missouri: 7.2%).
Where crashes happen
Within this area, SR-21 had the most fatal crashes involving a large truck since 2015 (4). After it: SR-8 (2).
Garbage & waste trucks
5 crashes involved a garbage or refuse truck, a 2.6% share (Missouri: 2.2%).
Route planning tips for ZIP 63664 fleets
- Review driver schedules for May, the month with the most truck crashes.
- Where you can, review stops along SR-21; it has the most fatal large-truck crashes nearby.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Washington County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-21 | 4 |
| SR-8 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Washington County) |
|---|---|
| Mo 21 | 52 |
| Mo 8 | 47 |
| Mo 185 | 17 |
| Mo 47 | 14 |
| Rt C | 6 |
| Rt A | 6 |
| Rt F | 4 |
| Rt P | 4 |
ZIP 63664 at a glance
| Population | 9,693 |
| Density | 13 per sq mi |
| Median household income | $61,216 |
| Median home value | $121,278 |
| Home ownership | 73% |
Waste facilities and haulers nearby
Historical data: truck crashes in Washington 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 | 14 | — | 0.9 |
| 2000s | 10 | -23% | 0.9 |
| 2010s | 12 | +16% | 0.5 |
| 2020s | 16 | +33% | 0.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 14 to 16. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 63664
How many truck accidents are there in ZIP 63664?
Since 2015, 191 crashes involving commercial trucks were reported in Washington County (151 injured, 12 killed).
Which road has the most fatal truck crashes in ZIP 63664?
Since 2015, SR-21 has had the most fatal large-truck crashes within 10 miles of ZIP 63664: 4.
When do most truck crashes happen in ZIP 63664?
Truck crashes in Washington County peak in May, with 15.2% of the year's crashes.
How many garbage truck crashes are there in ZIP 63664?
5 crashes involving garbage or refuse trucks have been reported in Washington County since 2015, 2.6% of all truck crashes.
How does ZIP 63664 compare with Missouri for truck crashes?
Washington County records 69.8 truck crashes per 100,000 residents a year, against 85.9 across Missouri.
What is the best way to plan truck routes in ZIP 63664?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.