St. Clair County, MO truck route planning & crash data
Plan safer truck routes in St. Clair County: commercial truck and garbage truck crashes, 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 185 truck crashes since 2015.
Deadliest roads
How St. Clair County compares with Missouri
St. Clair County against Missouri and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Clair County stands out
Full comparison
| Measure (2015–2025) | St. Clair County | Missouri | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 160.6 | 85.9 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 2.3 | 2.7 | 3.4 | 15% below the state |
| Injuries per crash | 0.45 | 0.44 | 0.49 | same |
| Garbage-truck share | 1.7% | 2.2% | 2.3% | 21% below the state |
| On snow, slush or ice | 4.6% | 7.2% | 6.2% | 36% below the state |
| Morning rush (6–10 am) | 19.0% | 22.8% | 23.7% | 17% below the state |
| In rain, sleet or snow | 6.9% | 10.7% | 13.8% | 36% below the state |
| Winter months (Nov–Mar) | 36.2% | 40.7% | 41.9% | 11% below the state |
| After dark | 36.8% | 24.7% | 24.8% | 1.5× the state |
St. Clair County has lower values than Missouri for deaths per 100 crashes, garbage-truck share and on snow, slush or ice. Where it is higher: crashes per 100k residents / yr and after dark.
The headline for St. Clair County: 36.8% after dark, against 24.7% across Missouri.
Overview
St. Clair County has recorded 185 truck crashes since 2015, with 82 people injured and 4 killed.
That averages about one truck crash every 23 days in fully reported years.
When crashes happen
The worst month is May with 12.4% of truck crashes; the quietest is December at 5.4%.
The five winter months (November to March) hold 36.2% of truck crashes, against 40.7% across Missouri.
More truck crashes happen at 1–2 pm than at any other hour (8.6%).
Snow, slush or ice was on the road in 4.6% of truck crashes, compared with 7.2% in Missouri.
Where crashes happen
Since 2015, fatal crashes with a large truck in St. Clair County happened on SR-13 (1), SR-52 (1) and Sr-H (1); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 1.6% of the total, against 2.2% across Missouri.
Route planning tips for St. Clair County fleets
- Plan May schedules with more margin; it is the worst month for truck crashes in St. Clair County.
- 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 St. Clair County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in St. Clair County) |
|---|---|
| SR-13 | 1 |
| SR-52 | 1 |
| Sr-H | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Clair County) |
|---|---|
| Mo 13 | 119 |
| US-54 | 16 |
| Mo 82 | 11 |
| Rt B | 8 |
| Rt T | 5 |
| Rt A | 5 |
| Rt H | 3 |
| Mo 52 | 2 |
St. Clair County at a glance
| Population | 9,848 |
| Land area | 675.0 sq mi |
| Density | 15 per sq mi |
| Median household income (ZIP average) | $50,283 |
Waste facilities and haulers nearby
Historical data: truck crashes in St. Clair 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 | 31 | — | 0.7 |
| 2000s | 9 | -70% | 0.9 |
| 2010s | 11 | +23% | 0.4 |
| 2020s | 17 | +52% | 0.2 |
In the 1990s about 31 truck crashes a year were reported; in the 2020s, about 17. Reporting coverage also changed between these periods. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Cities, towns & communities in St. Clair County
ZIP codes in St. Clair County
Nearby counties
Questions fleets ask about St. Clair County
How many truck crashes happen in St. Clair County?
St. Clair County has had 185 reported truck crashes since 2015, injuring 82 people and killing 4.
When do most truck crashes happen in St. Clair County?
The worst month is May: 12.4% of truck crashes in St. Clair County happen then.
How many garbage truck crashes are there in St. Clair County?
Garbage trucks were involved in 3 reported crashes in St. Clair County since 2015 (1.6% of truck crashes).
How does St. Clair County compare with Missouri for truck crashes?
Per 100,000 residents, St. Clair County has 160.6 truck crashes a year; Missouri has 85.9.
How can I plan a safer truck route in St. Clair County?
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.