ZIP 59011 (Big Timber, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59011: commercial truck and garbage truck crashes here and in Sweet Grass 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
0 of 291 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Sweet Grass County compares with Montana
Sweet Grass County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sweet Grass County stands out
Full comparison
| Measure (2015–2025) | Sweet Grass County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 675.1 | 64.3 | 49.7 | 10.5× the state |
| Deaths per 100 crashes | 0.7 | 3.8 | 3.4 | 82% below the state |
| Injuries per crash | 0.24 | 0.34 | 0.49 | 29% below the state |
| Garbage-truck share | 0.0% | 0.9% | 2.3% | 100% below the state |
| On snow, slush or ice | 64.9% | 39.4% | 6.2% | 1.6× the state |
| Morning rush (6–10 am) | 29.0% | 22.9% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 26.5% | 20.6% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 66.7% | 54.3% | 41.9% | 1.2× the state |
| After dark | 32.6% | 30.8% | 24.8% | same |
Sweet Grass County has lower values than Montana for deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
Sweet Grass County at a glance: 0 garbage-truck share of crashes is 0.0%, against 0.9% for Montana.
Overview
Since 2015, 291 crashes involving commercial trucks have been reported in Sweet Grass County. They injured 71 people and killed 2.
Across the years with complete reporting, that is roughly one truck crash every 14 days.
When crashes happen
December has the most truck crashes, 15.5% of the yearly total, while August has the fewest (2.1%).
Winter months (Nov–Mar) carry 66.7% of truck crashes, vs 54.3% for Montana.
More truck crashes happen at 8–9 am than at any other hour (10.0%).
Road surface: 64.9% of truck crashes were on snow, slush or ice (Montana: 39.4%).
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of ZIP 59011.
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Sweet Grass County since 2015.
Route planning tips for ZIP 59011 fleets
- Build extra time into December routes: it has the most truck crashes here.
- Morning starts matter: 29.0% of truck crashes fall between 6 and 10 am, higher than Montana.
- With 64.9% of truck crashes on snow, slush or ice (above Montana), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Sweet Grass 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 (Sweet Grass County) |
|---|---|
| Mm368.8 Interstate 90 | 2 |
| Mm378.1 I90W | 2 |
| Mm 16.9 - Us Highway 191 | 1 |
| Mm 365.6 I90 | 1 |
| Mm 376.1 -I90 | 1 |
| Mm24.5 Us 191 | 1 |
| Mm27.5 Us 191 | 1 |
| Mm368.5 I90E | 1 |
ZIP 59011 at a glance
| Population | 3,167 |
| Density | 1 per sq mi |
| Median household income | $78,000 |
| Median home value | $321,248 |
| Home ownership | 79% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sweet Grass 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 | — | — | 0.1 |
| 2000s | 11 | — | 0.5 |
| 2010s | 17 | +46% | 0.1 |
| 2020s | 28 | +68% | 0.0 |
From the 2000s to the 2020s, yearly reported truck crashes went from 11 to 28. Some of the change may reflect how crashes were reported.
Nearby ZIP codes
Questions fleets ask about ZIP 59011
How common are truck crashes in ZIP 59011?
291 truck crashes have been reported in Sweet Grass County since 2015, with 2 deaths and 71 injuries.
Which month has the most truck crashes in ZIP 59011?
The worst month is December: 15.5% of truck crashes in Sweet Grass County happen then.
Are garbage truck crashes common in ZIP 59011?
0 crashes involving garbage or refuse trucks have been reported in Sweet Grass County since 2015, 0.0% of all truck crashes.
What is the truck crash rate in ZIP 59011 compared with Montana?
Sweet Grass County records 675.1 truck crashes per 100,000 residents a year, against 64.3 across Montana.
How do I plan a garbage truck route in ZIP 59011?
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.