ZIP 57331 (Dimock, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57331: commercial truck and garbage truck crashes here and in Hutchinson 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 56 truck crashes since 2015.
Deadliest roads
How Hutchinson County compares with South Dakota
Hutchinson County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hutchinson County stands out
Full comparison
| Measure (2015–2025) | Hutchinson County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 63.7 | 42.0 | 49.7 | 1.5× the state |
| Deaths per 100 crashes | 19.2 | 5.2 | 3.4 | 3.7× the state |
| Injuries per crash | 0.27 | 0.13 | 0.49 | 2.1× the state |
| Garbage-truck share | 1.9% | 1.6% | 2.3% | 1.2× the state |
| On snow, slush or ice | 1.9% | 28.6% | 6.2% | 93% below the state |
| Morning rush (6–10 am) | 17.3% | 22.2% | 23.7% | 22% below the state |
| In rain, sleet or snow | 5.8% | 17.5% | 13.8% | 67% below the state |
| Winter months (Nov–Mar) | 48.1% | 48.8% | 41.9% | same |
| After dark | 21.1% | 22.8% | 24.8% | 7% below the state |
Hutchinson County has lower values than South Dakota for on snow, slush or ice, morning rush (6–10 am) and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Hutchinson County: 19.2 people killed per 100 truck crashes (South Dakota: 5.2).
Overview
Police reported 56 crashes involving commercial trucks in Hutchinson County since 2015: 14 people were injured and 10 were killed.
In complete reporting years that works out to about one truck crash every 77 days.
When crashes happen
March has the most truck crashes, 12.5% of the yearly total, while October has the fewest (1.8%).
Winter months (Nov–Mar) carry 48.1% of truck crashes, vs 48.8% for South Dakota.
The busiest hour is 8–9 am, with 10.7% of truck crashes.
1.9% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 57331 since 2015 were spread across roads: SR-37 (3).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.8%, compared with 1.6% in South Dakota.
Route planning tips for ZIP 57331 fleets
- Build extra time into March routes: it has the most truck crashes here.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Hutchinson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-37 | 3 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hutchinson County) |
|---|---|
| Sd Hwy 44 | 14 |
| US-18 | 12 |
| US-81 | 8 |
| Sd Hwy 37 | 8 |
| Ave | 7 |
| 418Th Ave | 1 |
| Maxwell Rd | 1 |
| Sd Hwy 25 | 1 |
ZIP 57331 at a glance
| Population | 231 |
| Density | 1 per sq mi |
| Median household income | $101,406 |
| Median home value | $298,115 |
| Home ownership | 75% |
Waste facilities and haulers nearby
Historical data: truck crashes in Hutchinson 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 | 3 | +69% | 0.2 |
| 2010s | 4 | +63% | 0.3 |
| 2020s | 4 | +2% | 0.8 |
Reported truck crashes averaged 2 a year in the 1990s and 4 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57331
How common are truck crashes in ZIP 57331?
56 truck crashes have been reported in Hutchinson County since 2015, with 10 deaths and 14 injuries.
When do most truck crashes happen in ZIP 57331?
The worst month is March: 12.5% of truck crashes in Hutchinson County happen then.
How many garbage truck accidents happen in ZIP 57331?
Garbage trucks were involved in 1 reported crash in Hutchinson County since 2015 (1.8% of truck crashes).
How does ZIP 57331 compare with South Dakota for truck crashes?
The yearly rate is 63.7 truck crashes per 100,000 residents in Hutchinson County, vs 42.0 for South Dakota.
How can I plan a safer truck route in ZIP 57331?
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.