ZIP 57620 (Bison, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57620: commercial truck and garbage truck crashes here and in Perkins 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 21 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Perkins County compares with South Dakota
Perkins County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Perkins County stands out
Full comparison
| Measure (2015–2025) | Perkins County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 67.4 | 42.0 | 49.7 | 1.6× the state |
| Deaths per 100 crashes | 0.0 | 5.2 | 3.4 | 100% below the state |
| Injuries per crash | 0.05 | 0.13 | 0.49 | 62% below the state |
| Garbage-truck share | 4.8% | 1.6% | 2.3% | 3.0× the state |
| On snow, slush or ice | 23.8% | 28.6% | 6.2% | 17% below the state |
| Morning rush (6–10 am) | 19.1% | 22.2% | 23.7% | 14% below the state |
| In rain, sleet or snow | 23.8% | 17.5% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 47.6% | 48.8% | 41.9% | same |
| After dark | 14.3% | 22.8% | 24.8% | 37% below the state |
Perkins County sits below South Dakota on deaths per 100 crashes, injuries per crash and on snow, slush or ice. It stands out for higher crashes per 100k residents / yr, garbage-truck share and in rain, sleet or snow.
What stands out in Perkins County: 1 in 21 garbage-truck share of crashes is 4.8%, against 1.6% for South Dakota.
Overview
Since 2015, 21 crashes involving commercial trucks have been reported in Perkins County. They injured 1 people and killed 0.
Across the years with complete reporting, that is roughly one truck crash every 191 days.
When crashes happen
Truck crashes peak in September (19.0% of the year) and are lowest in January (0.0%).
Winter months (Nov–Mar) carry 47.6% of truck crashes, vs 48.8% for South Dakota.
More truck crashes happen at 2–3 pm than at any other hour (23.8%).
23.8% 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 57620 since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 4.8%, compared with 1.6% in South Dakota.
Route planning tips for ZIP 57620 fleets
- Build extra time into September routes: it has the most truck crashes here.
- 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 Perkins 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 (Perkins County) |
|---|---|
| Sd Hwy 73 | 7 |
| Bixby Rd | 4 |
| Sd Hwy 75 | 3 |
| US-12 | 3 |
| Ave | 2 |
| Sd Hwy 20 | 2 |
ZIP 57620 at a glance
| Population | 564 |
| Density | 1 per sq mi |
| Median household income | $90,500 |
| Median home value | $107,820 |
| Home ownership | 79% |
Waste facilities and haulers nearby
Historical data: truck crashes in Perkins 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 | 5 | — | 0.4 |
| 2000s | 2 | -66% | 0.1 |
| 2010s | 4 | +111% | 0.0 |
| 2020s | 1 | -74% | 0.0 |
Reported truck crashes averaged 5 a year in the 1990s and 1 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting.
Nearby ZIP codes
Questions fleets ask about ZIP 57620
How many truck crashes happen in ZIP 57620?
Since 2015, 21 crashes involving commercial trucks were reported in Perkins County (1 injured, 0 killed).
What is the worst month for truck crashes in ZIP 57620?
The worst month is September: 19.0% of truck crashes in Perkins County happen then.
How many garbage truck crashes are there in ZIP 57620?
1 crash involving garbage or refuse trucks have been reported in Perkins County since 2015, 4.8% of all truck crashes.
What is the truck crash rate in ZIP 57620 compared with South Dakota?
Per 100,000 residents, Perkins County has 67.4 truck crashes a year; South Dakota has 42.0.
How do I plan a garbage truck route in ZIP 57620?
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.