St. Marie, MT truck route planning & crash data
Plan safer truck routes in St. Marie: commercial truck and garbage truck crashes in St. Marie and Valley County, dangerous roads, seasonality and route safety data for fleets. Patterns use Valley County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 32 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Valley County compares with Montana
Valley County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Valley County stands out
Full comparison
| Measure (2015–2025) | Valley County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 37.9 | 64.3 | 49.7 | 41% below the state |
| Deaths per 100 crashes | 3.2 | 3.8 | 3.4 | 16% below the state |
| Injuries per crash | 0.45 | 0.34 | 0.49 | 1.3× the state |
| Garbage-truck share | 0.0% | 0.9% | 2.3% | 100% below the state |
| On snow, slush or ice | 12.9% | 39.4% | 6.2% | 67% below the state |
| Morning rush (6–10 am) | 19.4% | 22.9% | 23.7% | 15% below the state |
| In rain, sleet or snow | 0.0% | 20.6% | 13.8% | 100% below the state |
| Winter months (Nov–Mar) | 22.6% | 54.3% | 41.9% | 58% below the state |
| After dark | 16.1% | 30.8% | 24.8% | 48% below the state |
Valley County has lower values than Montana for crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share. It runs above Montana on injuries per crash.
The headline for Valley County: October 28.1% of truck crashes happen in October, more than any other month.
Overview
Since 2015, 32 crashes involving commercial trucks have been reported in Valley County. They injured 15 people and killed 1.
In complete reporting years that works out to about one truck crash every 130 days.
With 0 truck crashes reported in St. Marie since 2015, this page uses Valley County numbers for its patterns and comparisons.
84% of truck crash reports in Valley County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in October (28.1% of the year) and are lowest in January (0.0%).
The five winter months (November to March) hold 22.6% of truck crashes, against 54.3% across Montana.
By time of day, 9–10 am stands out with 15.6% of truck crashes.
12.9% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of St. Marie since 2015.
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Valley County since 2015.
Route planning tips for St. Marie fleets
- Review driver schedules for October, the month with the most truck crashes.
- 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 Valley County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Valley County) |
|---|---|
| Mm543 Us-2 | 1 |
| Mm567.3 Us-2 | 1 |
St. Marie at a glance
| Land area | 22.9 sq mi |
| Median household income (ZIP 59231) | $38,971 |
Waste facilities and haulers nearby
Historical data: truck crashes in Valley 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 | — | — | 0.3 |
| 2000s | 2 | — | 0.0 |
| 2010s | 2 | +12% | 0.0 |
| 2020s | 3 | +20% | 0.2 |
In the 2000s about 2 truck crashes a year were reported; in the 2020s, about 3. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about St. Marie
How common are truck crashes in St. Marie?
32 truck crashes have been reported in Valley County since 2015, with 1 deaths and 15 injuries.
What is the worst month for truck crashes in St. Marie?
Truck crashes in Valley County peak in October, with 28.1% of the year's crashes.
How many garbage truck crashes are there in St. Marie?
Since 2015, Valley County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
How do truck crashes in St. Marie compare with Montana?
The yearly rate is 37.9 truck crashes per 100,000 residents in Valley County, vs 64.3 for Montana.
How can I plan a safer truck route in St. Marie?
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.