Grass Ranch Colony, SD truck route planning & crash data
Plan safer truck routes in Grass Ranch Colony: commercial truck and garbage truck crashes in Grass Ranch Colony and Brule County, dangerous roads, seasonality and route safety data for fleets. Patterns use Brule County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 54 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Brule County compares with South Dakota
Brule County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Brule County stands out
Full comparison
| Measure (2015–2025) | Brule County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 84.7 | 42.0 | 49.7 | 2.0× the state |
| Deaths per 100 crashes | 2.0 | 5.2 | 3.4 | 62% below the state |
| Injuries per crash | 0.10 | 0.13 | 0.49 | 23% below the state |
| Garbage-truck share | 2.0% | 1.6% | 2.3% | 1.3× the state |
| On snow, slush or ice | 44.9% | 28.6% | 6.2% | 1.6× the state |
| Morning rush (6–10 am) | 18.4% | 22.2% | 23.7% | 17% below the state |
| In rain, sleet or snow | 28.6% | 17.5% | 13.8% | 1.6× the state |
| Winter months (Nov–Mar) | 59.2% | 48.8% | 41.9% | 1.2× the state |
| After dark | 26.5% | 22.8% | 24.8% | 1.2× the state |
Brule County has lower values than South Dakota for deaths per 100 crashes, injuries per crash and morning rush (6–10 am). It runs above South Dakota on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice.
The headline for Brule County: December worst month: 20.4% of truck crashes, vs 8.3% in an average month.
Overview
Brule County has recorded 54 truck crashes since 2015, with 5 people injured and 1 killed.
Across the years with complete reporting, that is roughly one truck crash every 82 days.
With 0 truck crashes reported in Grass Ranch Colony since 2015, this page uses Brule County numbers for its patterns and comparisons.
When crashes happen
The worst month is December with 20.4% of truck crashes; the quietest is September at 1.9%.
The five winter months (November to March) hold 59.2% of truck crashes, against 48.8% across South Dakota.
By time of day, 8–9 am stands out with 13.0% of truck crashes.
44.9% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Grass Ranch Colony.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 1.9% of the total, against 1.6% across South Dakota.
Route planning tips for Grass Ranch Colony fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Brule County.
- With 44.9% of truck crashes on snow, slush or ice (above South Dakota), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Brule 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 (Brule County) |
|---|---|
| I-90 | 42 |
| Sd Hwy 50 | 6 |
| Sd Hwy 45 | 2 |
| 355Th Ave. | 1 |
| Ave | 1 |
Grass Ranch Colony at a glance
| Land area | 1.1 sq mi |
| Median household income (ZIP 57355) | $63,125 |
| Median home value (ZIP 57355) | $129,353 |
Waste facilities and haulers nearby
Historical data: truck crashes in Brule 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 | 2 | — | 0.1 |
| 2000s | 4 | +91% | 0.2 |
| 2010s | 5 | +17% | 0.0 |
| 2020s | 4 | -8% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 4. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.0 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Grass Ranch Colony
How many truck crashes happen in Grass Ranch Colony?
Since 2015, 54 crashes involving commercial trucks were reported in Brule County (5 injured, 1 killed).
When do most truck crashes happen in Grass Ranch Colony?
Truck crashes in Brule County peak in December, with 20.4% of the year's crashes.
How many garbage truck accidents happen in Grass Ranch Colony?
Garbage trucks were involved in 1 reported crash in Brule County since 2015 (1.9% of truck crashes).
How do truck crashes in Grass Ranch Colony compare with South Dakota?
The yearly rate is 84.7 truck crashes per 100,000 residents in Brule County, vs 42.0 for South Dakota.
How can I plan a safer truck route in Grass Ranch Colony?
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.