ZIP 57538 (Herrick, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57538: commercial truck and garbage truck crashes here and in Gregory 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 36 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Gregory County compares with South Dakota
Gregory County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Gregory County stands out
Full comparison
| Measure (2015–2025) | Gregory County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 73.0 | 42.0 | 49.7 | 1.7× the state |
| Deaths per 100 crashes | 3.0 | 5.2 | 3.4 | 42% below the state |
| Injuries per crash | 0.39 | 0.13 | 0.49 | 3.0× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 27.3% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 33.3% | 22.2% | 23.7% | 1.5× the state |
| In rain, sleet or snow | 15.2% | 17.5% | 13.8% | 14% below the state |
| Winter months (Nov–Mar) | 72.7% | 48.8% | 41.9% | 1.5× the state |
| After dark | 39.4% | 22.8% | 24.8% | 1.7× the state |
Gregory County has lower values than South Dakota for deaths per 100 crashes, garbage-truck share and in rain, sleet or snow. It stands out for higher crashes per 100k residents / yr, injuries per crash and morning rush (6–10 am).
Gregory County at a glance: January the month with the most truck crashes: 30.6% of the year's total.
Overview
Police reported 36 crashes involving commercial trucks in Gregory County since 2015: 13 people were injured and 1 were killed.
In complete reporting years that works out to about one truck crash every 122 days.
When crashes happen
January has the most truck crashes, 30.6% of the yearly total, while April has the fewest (0.0%).
The five winter months (November to March) hold 72.7% of truck crashes, against 48.8% across South Dakota.
The busiest hour is 9–10 am, with 13.9% of truck crashes.
27.3% 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 ZIP 57538.
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Gregory County since 2015.
Route planning tips for ZIP 57538 fleets
- Review driver schedules for January, the month with the most truck crashes.
- The morning rush (6–10 am) holds 33.3% of truck crashes here, more than South Dakota; adjust start times where you can.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Gregory 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 (Gregory County) |
|---|---|
| US-18 | 22 |
| Sd Hwy 44 | 8 |
| US-281 | 3 |
| Lucas Rd | 1 |
| Sd Hwy 47 | 1 |
ZIP 57538 at a glance
| Population | 236 |
| Density | 1 per sq mi |
| Median household income | $46,875 |
| Home ownership | 92% |
Waste facilities and haulers nearby
Historical data: truck crashes in Gregory 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 | — | 0.2 |
| 2000s | 2 | -5% | 0.4 |
| 2010s | 3 | +53% | 0.2 |
| 2020s | 4 | +26% | 0.0 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 4. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57538
How many truck accidents are there in ZIP 57538?
Since 2015, 36 crashes involving commercial trucks were reported in Gregory County (13 injured, 1 killed).
What is the worst month for truck crashes in ZIP 57538?
The worst month is January: 30.6% of truck crashes in Gregory County happen then.
Are garbage truck crashes common in ZIP 57538?
Since 2015, Gregory County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
How do truck crashes in ZIP 57538 compare with South Dakota?
Gregory County records 73.0 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
What is the best way to plan truck routes in ZIP 57538?
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.