Superior, MT truck route planning & crash data
Plan safer truck routes in Superior: commercial truck and garbage truck crashes in Superior and Mineral County, dangerous roads, seasonality and route safety data for fleets. Patterns use Mineral County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 599 truck crashes since 2015.
Deadliest roads
How Mineral County compares with Montana
Mineral County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Mineral County stands out
Full comparison
| Measure (2015–2025) | Mineral County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 1,064.5 | 64.3 | 49.7 | 16.6× the state |
| Deaths per 100 crashes | 1.4 | 3.8 | 3.4 | 63% below the state |
| Injuries per crash | 0.23 | 0.34 | 0.49 | 32% below the state |
| Garbage-truck share | 0.0% | 0.9% | 2.3% | 100% below the state |
| On snow, slush or ice | 56.2% | 39.4% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 25.1% | 22.9% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 30.4% | 20.6% | 13.8% | 1.5× the state |
| Winter months (Nov–Mar) | 68.3% | 54.3% | 41.9% | 1.3× the state |
| After dark | 44.5% | 30.8% | 24.8% | 1.4× the state |
Mineral County sits below Montana on deaths per 100 crashes, injuries per crash and garbage-truck share. It runs above Montana on crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
Mineral County at a glance: 0 crashes involve a garbage truck (0 since 2015), vs 0.9% across Montana.
Overview
Police reported 599 crashes involving commercial trucks in Mineral County since 2015: 142 people were injured and 8 were killed.
Across the years with complete reporting, that is roughly one truck crash every 7 days.
Only 0 truck crashes were reported in Superior since 2015; patterns below come from Mineral County as a whole.
93% of truck crash reports in Mineral County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is December with 18.7% of truck crashes; the quietest is May at 3.5%.
November through March accounts for 68.3% of truck crashes here, compared with 54.3% in Montana.
The busiest hour is 8–9 am, with 8.3% of truck crashes.
56.2% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Superior happened on I-90 (3) and I-90E (1); no road leads clearly.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Mineral County since 2015.
Route planning tips for Superior fleets
- Review driver schedules for December, the month with the most truck crashes.
- The morning rush (6–10 am) holds 25.1% of truck crashes here, more than Montana; adjust start times where you can.
- With 56.2% of truck crashes on snow, slush or ice (above Montana), plan winter equipment checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Crash reporting for 2016 is incomplete; those years are shown in grey and not used for rates.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Mineral County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 3 |
| I-90E | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Mineral County) |
|---|---|
| Mm 29.1 I-90 | 2 |
| Mm 34.3 I-90 | 2 |
| Mm 4.8 I-90 | 2 |
| Mm6.8 I90 | 2 |
| Country Lane | 1 |
| Mm 23 I-90 | 1 |
| Mm 29.8 I-90 | 1 |
| Mm 35.5 I-90 | 1 |
Superior at a glance
| Population | 940 |
| Land area | 1.0 sq mi |
| Density | 984 per sq mi |
| Median household income (ZIP 59872) | $55,926 |
| Median home value (ZIP 59872) | $400,446 |
Waste facilities and haulers nearby
Historical data: truck crashes in Mineral 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 | 1 | — | 0.9 |
| 2000s | 37 | +6305% | 1.4 |
| 2010s | 37 | +2% | 0.5 |
| 2020s | 56 | +52% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 1 to 56. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Superior
How common are truck crashes in Superior?
Since 2015, 599 crashes involving commercial trucks were reported in Mineral County (142 injured, 8 killed).
What is the worst month for truck crashes in Superior?
The worst month is December: 18.7% of truck crashes in Mineral County happen then.
How many garbage truck crashes are there in Superior?
Garbage trucks were involved in 0 reported crashes in Mineral County since 2015 (0.0% of truck crashes).
How does Superior compare with Montana for truck crashes?
The yearly rate is 1,064.5 truck crashes per 100,000 residents in Mineral County, vs 64.3 for Montana.
What is the best way to plan truck routes in Superior?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
Crash reporting to FMCSA was incomplete in 2016; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.