ZIP 57256 (Ortley, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57256: commercial truck and garbage truck crashes here and in Grant 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 76 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Grant County compares with South Dakota
Grant County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grant County stands out
Full comparison
| Measure (2015–2025) | Grant County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 77.6 | 42.0 | 49.7 | 1.8× the state |
| Deaths per 100 crashes | 9.2 | 5.2 | 3.4 | 1.8× the state |
| Injuries per crash | 0.18 | 0.13 | 0.49 | 1.4× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 33.9% | 28.6% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 29.2% | 22.2% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 15.4% | 17.5% | 13.8% | 12% below the state |
| Winter months (Nov–Mar) | 46.2% | 48.8% | 41.9% | same |
| After dark | 16.9% | 22.8% | 24.8% | 26% below the state |
Grant County has lower values than South Dakota for garbage-truck share, in rain, sleet or snow and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Grant County: 0 crashes involve a garbage truck (0 since 2015), vs 1.6% across South Dakota.
Overview
Police reported 76 crashes involving commercial trucks in Grant County since 2015: 13 people were injured and 6 were killed.
In complete reporting years that works out to about one truck crash every 62 days.
When crashes happen
The worst month is June with 17.1% of truck crashes; the quietest is April at 2.6%.
November through March accounts for 46.2% of truck crashes here, compared with 48.8% in South Dakota.
The busiest hour is 8–9 am, with 13.2% of truck crashes.
Road surface: 33.9% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 57256 since 2015.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Grant County since 2015.
Route planning tips for ZIP 57256 fleets
- Review driver schedules for June, the month with the most truck crashes.
- Morning starts matter: 29.2% of truck crashes fall between 6 and 10 am, higher than South Dakota.
- With 33.9% of truck crashes on snow, slush or ice (above South Dakota), plan winter equipment checks early.
- 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 Grant 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 (Grant County) |
|---|---|
| I-29 | 20 |
| Sd Hwy 15 | 13 |
| US-12 | 12 |
| Ave | 9 |
| Sd Hwy 20 | 5 |
| 161St | 1 |
| Lloyd St | 1 |
| Railroad Ave | 1 |
ZIP 57256 at a glance
| Population | 238 |
| Density | 2 per sq mi |
| Median household income | $66,500 |
| Home ownership | 86% |
Waste facilities and haulers nearby
Historical data: truck crashes in Grant 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 | — | 0.3 |
| 2000s | 4 | +105% | 0.3 |
| 2010s | 5 | +24% | 0.4 |
| 2020s | 7 | +31% | 0.6 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 7. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57256
How many truck crashes happen in ZIP 57256?
76 truck crashes have been reported in Grant County since 2015, with 6 deaths and 13 injuries.
What is the worst month for truck crashes in ZIP 57256?
Truck crashes in Grant County peak in June, with 17.1% of the year's crashes.
How many garbage truck accidents happen in ZIP 57256?
0 crashes involving garbage or refuse trucks have been reported in Grant County since 2015, 0.0% of all truck crashes.
What is the truck crash rate in ZIP 57256 compared with South Dakota?
The yearly rate is 77.6 truck crashes per 100,000 residents in Grant County, vs 42.0 for South Dakota.
How can I plan a safer truck route in ZIP 57256?
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.