Sheridan County, MT truck route planning & crash data
Plan safer truck routes in Sheridan 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
1 of 23 truck crashes since 2015.
Deadliest roads
What stands out in Sheridan County: January worst month: 17.4% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 23 crashes involving commercial trucks have been reported in Sheridan County. They injured 8 people and killed 1.
That averages about one truck crash every 223 days in fully reported years.
When crashes happen
Truck crashes peak in January (17.4% of the year) and are lowest in March (0.0%).
The busiest hour is 3–4 pm, with 21.7% of truck crashes.
Where crashes happen
Roads with fatal crashes involving a large truck in Sheridan County since 2015: SR-258 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 4.3%, compared with 0.9% in Montana.
Route planning tips for Sheridan County fleets
- Review driver schedules for January, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Sheridan County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Sheridan County) |
|---|---|
| SR-258 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sheridan County) |
|---|---|
| E Comertown Rd | 1 |
| Highway 16 Mile Marker 67 | 1 |
| Highway 16 South | 1 |
| Mm 10 Highway 16 | 1 |
| SR-16 | 1 |
Sheridan County at a glance
| Population | 3,448 |
| Land area | 1,676.9 sq mi |
| Density | 2 per sq mi |
| Median household income (ZIP average) | $71,274 |
Waste facilities and haulers nearby
Historical data: truck crashes in Sheridan 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 | — | — | 0.0 |
| 2000s | 2 | — | 0.0 |
| 2010s | 2 | +7% | 0.1 |
| 2020s | 2 | -33% | 0.0 |
From the 2000s to the 2020s, yearly reported truck crashes went from 2 to 2. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.0 a year in 2020–24.
Cities, towns & communities in Sheridan County
ZIP codes in Sheridan County
Nearby counties
Questions fleets ask about Sheridan County
How many truck accidents are there in Sheridan County?
23 truck crashes have been reported in Sheridan County since 2015, with 1 deaths and 8 injuries.
Which month has the most truck crashes in Sheridan County?
The worst month is January: 17.4% of truck crashes in Sheridan County happen then.
Are garbage truck crashes common in Sheridan County?
Since 2015, Sheridan County has reported 1 garbage-truck crash, or 4.3% of its truck crashes.
How can I plan a safer truck route in Sheridan County?
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.