New Surprise Valley, SD truck route planning & crash data
Plan safer truck routes in New Surprise Valley: commercial truck and garbage truck crashes in New Surprise Valley and Mellette County, dangerous roads, seasonality and route safety data for fleets. Patterns use Mellette County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 15 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
The headline for Mellette County: 15 reported truck crashes in Mellette County since 2015.
Overview
Police reported 15 crashes involving commercial trucks in Mellette County since 2015: 1 people were injured and 2 were killed.
That averages about one truck crash every 309 days in fully reported years.
With 0 truck crashes reported in New Surprise Valley since 2015, this page uses Mellette County numbers for its patterns and comparisons.
When crashes happen
Mellette County has too few reported truck crashes for a monthly pattern.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of New Surprise Valley.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Mellette County.
Route planning tips for New Surprise Valley fleets
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Mellette County
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 (Mellette County) |
|---|---|
| US-83 | 8 |
| Sd Hwy 44 | 5 |
| Ave | 1 |
| Sd Hwy 53 | 1 |
New Surprise Valley at a glance
| Population | 6 |
| Land area | 35.7 sq mi |
| Density | 0 per sq mi |
| Median household income (ZIP 57579) | $56,474 |
| Median home value (ZIP 57579) | $65,574 |
Historical data: truck crashes in Mellette 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 | -60% | 0.2 |
| 2010s | 1 | +0% | 0.0 |
| 2020s | 2 | +88% | 0.0 |
Reported truck crashes averaged 2 a year in the 1990s and 2 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting.
Nearby places
Questions fleets ask about New Surprise Valley
How common are truck crashes in New Surprise Valley?
15 truck crashes have been reported in Mellette County since 2015, with 2 deaths and 1 injuries.
How many garbage truck crashes are there in New Surprise Valley?
Since 2015, Mellette County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the best way to plan truck routes in New Surprise Valley?
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.