ZIP 57374 (Spencer, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57374: commercial truck and garbage truck crashes here and in McCook 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 120 truck crashes since 2015.
Deadliest roads
How McCook County compares with South Dakota
McCook County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where McCook County stands out
Full comparison
| Measure (2015–2025) | McCook County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 168.6 | 42.0 | 49.7 | 4.0× the state |
| Deaths per 100 crashes | 1.9 | 5.2 | 3.4 | 63% below the state |
| Injuries per crash | 0.06 | 0.13 | 0.49 | 54% below the state |
| Garbage-truck share | 0.9% | 1.6% | 2.3% | 42% below the state |
| On snow, slush or ice | 54.2% | 28.6% | 6.2% | 1.9× the state |
| Morning rush (6–10 am) | 20.6% | 22.2% | 23.7% | 7% below the state |
| In rain, sleet or snow | 25.2% | 17.5% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 63.5% | 48.8% | 41.9% | 1.3× the state |
| After dark | 18.7% | 22.8% | 24.8% | 18% below the state |
McCook County has lower values than South Dakota for deaths per 100 crashes, injuries per crash and garbage-truck share. It stands out for higher crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
The headline for McCook County: March worst month: 22.5% of truck crashes, vs 8.3% in an average month.
Overview
McCook County has recorded 120 truck crashes since 2015, with 8 people injured and 4 killed.
In complete reporting years that works out to about one truck crash every 38 days.
When crashes happen
March has the most truck crashes, 22.5% of the yearly total, while April has the fewest (3.3%).
Winter months (Nov–Mar) carry 63.5% of truck crashes, vs 48.8% for South Dakota.
The busiest hour is 1–2 pm, with 11.7% of truck crashes.
Snow, slush or ice was on the road in 54.2% of truck crashes, compared with 28.6% in South Dakota.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 57374 since 2015: I-90 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.8%, compared with 1.6% in South Dakota.
Route planning tips for ZIP 57374 fleets
- Review driver schedules for March, the month with the most truck crashes.
- 54.2% of truck crashes were on snow, slush or ice, above South Dakota; plan winter equipment checks before the season.
- 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 McCook County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (McCook County) |
|---|---|
| I-90 | 74 |
| US-81 | 16 |
| Ave | 11 |
| Sd Hwy 42 | 7 |
| Sd Hwy 38 | 4 |
| Sd Hwy 262 | 3 |
ZIP 57374 at a glance
| Population | 272 |
| Density | 1 per sq mi |
| Median household income | $79,167 |
| Home ownership | 92% |
Waste facilities and haulers nearby
Historical data: truck crashes in McCook 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 | 4 | — | 0.6 |
| 2000s | 7 | +76% | 0.2 |
| 2010s | 9 | +38% | 0.2 |
| 2020s | 11 | +17% | 0.4 |
Reported truck crashes averaged 4 a year in the 1990s and 11 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57374
How many truck crashes happen in ZIP 57374?
120 truck crashes have been reported in McCook County since 2015, with 4 deaths and 8 injuries.
What is the worst month for truck crashes in ZIP 57374?
March has the most truck crashes in McCook County, 22.5% of the yearly total.
Are garbage truck crashes common in ZIP 57374?
Since 2015, McCook County has reported 1 garbage-truck crash, or 0.8% of its truck crashes.
How does ZIP 57374 compare with South Dakota for truck crashes?
McCook County records 168.6 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 57374?
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.