ZIP 59485 (Ulm, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59485: commercial truck and garbage truck crashes here and in Cascade 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
4 of 268 truck crashes since 2015.
Deadliest roads
How Cascade County compares with Montana
Cascade County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cascade County stands out
Full comparison
| Measure (2015–2025) | Cascade County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 27.7 | 64.3 | 49.7 | 57% below the state |
| Deaths per 100 crashes | 5.8 | 3.8 | 3.4 | 1.5× the state |
| Injuries per crash | 0.28 | 0.34 | 0.49 | 18% below the state |
| Garbage-truck share | 1.6% | 0.9% | 2.3% | 1.7× the state |
| On snow, slush or ice | 36.0% | 39.4% | 6.2% | 8% below the state |
| Morning rush (6–10 am) | 27.5% | 22.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 21.3% | 20.6% | 13.8% | same |
| Winter months (Nov–Mar) | 55.0% | 54.3% | 41.9% | same |
| After dark | 28.3% | 30.8% | 24.8% | 8% below the state |
Cascade County sits below Montana on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. It stands out for higher deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
Cascade County at a glance: 1 in 65 of truck crashes here involve garbage trucks: 1.6%, vs 0.9% in Montana.
Overview
Since 2015, 268 crashes involving commercial trucks have been reported in Cascade County. They injured 74 people and killed 15.
That averages about one truck crash every 16 days in fully reported years.
When crashes happen
January has the most truck crashes, 12.7% of the yearly total, while April has the fewest (4.1%).
November through March accounts for 55.0% of truck crashes here, compared with 54.3% in Montana.
By time of day, 9–10 am stands out with 10.1% of truck crashes.
36.0% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 59485 since 2015: I-15 (2). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 4 crashes, 1.5% of the total, against 0.9% across Montana.
Route planning tips for ZIP 59485 fleets
- Review driver schedules for January, the month with the most truck crashes.
- 27.5% of truck crashes happen between 6 and 10 am, above Montana; consider earlier or later starts where possible.
- 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 Cascade County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-15 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Cascade County) |
|---|---|
| Mm 1.9 Us Highway 87E | 2 |
| 23Rd St S & 10Th Ave | 1 |
| 87.5 Eb Us Hwy 87/89E | 1 |
| I-15 Nb Mp 278 | 1 |
| I-15 Sb Mp 254 | 1 |
| Lower River Rd | 1 |
| Mm 5.4 Us Highway 89/Montana 200 | 1 |
| Mm 59.6 Us 89S | 1 |
ZIP 59485 at a glance
| Population | 772 |
| Density | 5 per sq mi |
| Median household income | $90,286 |
| Median home value | $305,774 |
| Home ownership | 90% |
Waste facilities and haulers nearby
Historical data: truck crashes in Cascade 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 | — | — | 0.6 |
| 2000s | 21 | — | 0.4 |
| 2010s | 25 | +19% | 0.7 |
| 2020s | 20 | -19% | 2.0 |
In the 2000s about 21 truck crashes a year were reported; in the 2020s, about 20. Reporting coverage also changed between these periods. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 2.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 59485
How many truck crashes happen in ZIP 59485?
Since 2015, 268 crashes involving commercial trucks were reported in Cascade County (74 injured, 15 killed).
When do most truck crashes happen in ZIP 59485?
Truck crashes in Cascade County peak in January, with 12.7% of the year's crashes.
Are garbage truck crashes common in ZIP 59485?
Garbage trucks were involved in 4 reported crashes in Cascade County since 2015 (1.5% of truck crashes).
What is the truck crash rate in ZIP 59485 compared with Montana?
Cascade County records 27.7 truck crashes per 100,000 residents a year, against 64.3 across Montana.
What is the best way to plan truck routes in ZIP 59485?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.