ZIP 57421 (Amherst, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57421: commercial truck and garbage truck crashes here and in Marshall 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 12 truck crashes since 2015.
Deadliest roads
Marshall County at a glance: 12 truck crashes on record for Marshall County since 2015.
Overview
Since 2015, 12 crashes involving commercial trucks have been reported in Marshall County. They injured 0 people and killed 1.
When crashes happen
Marshall County has too few reported truck crashes for a monthly pattern.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 57421 happened on 420th Ave (1); no road leads clearly.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Marshall County.
Route planning tips for ZIP 57421 fleets
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Marshall County
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| 420th Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Marshall County) |
|---|---|
| Ave | 2 |
| Sd Hwy 10 | 2 |
| Sd Hwy 25 | 1 |
ZIP 57421 at a glance
| Population | 75 |
| Density | 1 per sq mi |
| Home ownership | 100% |
Waste facilities and haulers nearby
Historical data: truck crashes in Marshall 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 | 1 | -56% | 0.1 |
| 2010s | 1 | +20% | 0.1 |
| 2020s | 1 | -31% | 0.2 |
Reported truck crashes averaged 2 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. Fatal crashes involving a large truck averaged 0.0 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57421
How many truck crashes happen in ZIP 57421?
Since 2015, 12 crashes involving commercial trucks were reported in Marshall County (0 injured, 1 killed).
How many garbage truck accidents happen in ZIP 57421?
0 crashes involving garbage or refuse trucks have been reported in Marshall County since 2015, 0.0% of all truck crashes.
How can I plan a safer truck route in ZIP 57421?
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.