ZIP 57646 (Mound City, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57646: commercial truck and garbage truck crashes here and in Campbell 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 21 truck crashes since 2015.
Deadliest roads
How Campbell County compares with South Dakota
Campbell County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Campbell County stands out
Full comparison
| Measure (2015–2025) | Campbell County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 142.3 | 42.0 | 49.7 | 3.4× the state |
| Deaths per 100 crashes | 9.5 | 5.2 | 3.4 | 1.8× the state |
| Injuries per crash | 0.10 | 0.13 | 0.49 | 23% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 19.1% | 28.6% | 6.2% | 34% below the state |
| Morning rush (6–10 am) | 4.8% | 22.2% | 23.7% | 79% below the state |
| In rain, sleet or snow | 0.0% | 17.5% | 13.8% | 100% below the state |
| Winter months (Nov–Mar) | 47.6% | 48.8% | 41.9% | same |
| After dark | 28.6% | 22.8% | 24.8% | 1.3× the state |
Campbell County has lower values than South Dakota for injuries per crash, garbage-truck share and on snow, slush or ice. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and after dark.
The headline for Campbell County: November the month with the most truck crashes: 23.8% of the year's total.
Overview
Police reported 21 crashes involving commercial trucks in Campbell County since 2015: 2 people were injured and 2 were killed.
Across the years with complete reporting, that is roughly one truck crash every 191 days.
When crashes happen
November has the most truck crashes, 23.8% of the yearly total, while February has the fewest (0.0%).
November through March accounts for 47.6% of truck crashes here, compared with 48.8% in South Dakota.
More truck crashes happen at 3–4 pm than at any other hour (19.0%).
19.1% 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 57646 since 2015 were spread across roads: US-12 (1) and US-83 (1).
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Campbell County since 2015.
Route planning tips for ZIP 57646 fleets
- Build extra time into November 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
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 Campbell County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-12 | 1 |
| US-83 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Campbell County) |
|---|---|
| US-83 | 10 |
| Sd Hwy 10 | 2 |
| 1St Ave | 1 |
| Ave | 1 |
| SR-83 | 1 |
| Sd Hwy 1804 | 1 |
| Sd Hwy 271 | 1 |
| US-10 | 1 |
ZIP 57646 at a glance
| Population | 272 |
| Density | 1 per sq mi |
| Median household income | $101,406 |
| Median home value | $105,866 |
| Home ownership | 88% |
Waste facilities and haulers nearby
Historical data: truck crashes in Campbell 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 | 1 | — | 0.0 |
| 2000s | 1 | -2% | 0.1 |
| 2010s | 2 | +69% | 0.1 |
| 2020s | 1 | -62% | 0.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 1 to 1. Some of the change may reflect how crashes were reported. 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 57646
How many truck accidents are there in ZIP 57646?
Campbell County has had 21 reported truck crashes since 2015, injuring 2 people and killing 2.
What is the worst month for truck crashes in ZIP 57646?
November has the most truck crashes in Campbell County, 23.8% of the yearly total.
How many garbage truck accidents happen in ZIP 57646?
Since 2015, Campbell County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the truck crash rate in ZIP 57646 compared with South Dakota?
The yearly rate is 142.3 truck crashes per 100,000 residents in Campbell County, vs 42.0 for South Dakota.
How can I plan a safer truck route in ZIP 57646?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.