ZIP 57239 (Grenville, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57239: commercial truck and garbage truck crashes here and in Day 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
1 of 53 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Day County compares with South Dakota
Day County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Day County stands out
Full comparison
| Measure (2015–2025) | Day County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 80.7 | 42.0 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 2.1 | 5.2 | 3.4 | 60% below the state |
| Injuries per crash | 0.12 | 0.13 | 0.49 | 8% below the state |
| Garbage-truck share | 2.1% | 1.6% | 2.3% | 1.3× the state |
| On snow, slush or ice | 27.1% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 22.9% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 10.4% | 17.5% | 13.8% | 41% below the state |
| Winter months (Nov–Mar) | 35.4% | 48.8% | 41.9% | 27% below the state |
| After dark | 25.0% | 22.8% | 24.8% | 1.1× the state |
Day County sits below South Dakota on deaths per 100 crashes, injuries per crash and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, garbage-truck share and after dark.
The headline for Day County: February the month with the most truck crashes: 15.1% of the year's total.
Overview
Since 2015, 53 crashes involving commercial trucks have been reported in Day County. They injured 7 people and killed 2.
That averages about one truck crash every 84 days in fully reported years.
When crashes happen
Truck crashes peak in February (15.1% of the year) and are lowest in November (1.9%).
The five winter months (November to March) hold 35.4% of truck crashes, against 48.8% across South Dakota.
More truck crashes happen at 11 am–12 pm than at any other hour (13.2%).
27.1% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of ZIP 57239 since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.9%, compared with 1.6% in South Dakota.
Route planning tips for ZIP 57239 fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Day County.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Day 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 (Day County) |
|---|---|
| US-12 | 39 |
| Sd Hwy 25 | 4 |
| Ave | 1 |
| Main Street | 1 |
| Sd Hwy 27 | 1 |
ZIP 57239 at a glance
| Population | 358 |
| Density | 3 per sq mi |
| Median household income | $106,389 |
| Median home value | $411,600 |
| Home ownership | 89% |
Waste facilities and haulers nearby
Historical data: truck crashes in Day 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 | 3 | — | 0.4 |
| 2000s | 3 | +7% | 0.1 |
| 2010s | 5 | +53% | 0.4 |
| 2020s | 5 | +5% | 0.2 |
Reported truck crashes averaged 3 a year in the 1990s and 5 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.0 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57239
How common are truck crashes in ZIP 57239?
Since 2015, 53 crashes involving commercial trucks were reported in Day County (7 injured, 2 killed).
What is the worst month for truck crashes in ZIP 57239?
Truck crashes in Day County peak in February, with 15.1% of the year's crashes.
How many garbage truck crashes are there in ZIP 57239?
Garbage trucks were involved in 1 reported crash in Day County since 2015 (1.9% of truck crashes).
What is the truck crash rate in ZIP 57239 compared with South Dakota?
Per 100,000 residents, Day County has 80.7 truck crashes a year; South Dakota has 42.0.
How do I plan a garbage truck route in ZIP 57239?
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.