Sully County, SD truck route planning & crash data
Plan safer truck routes in Sully County: commercial truck and garbage truck crashes, 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 13 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
Sully County at a glance: #59 of 65 among 65 counties in South Dakota for truck crashes per year.
Overview
Sully County has recorded 13 truck crashes since 2015, with 1 people injured and 2 killed.
Across the years with complete reporting, that is roughly one truck crash every 309 days.
When crashes happen
There are too few truck crashes in Sully County to show a reliable monthly pattern.
Where crashes happen
NHTSA lists no located fatal large-truck crashes in Sully County since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 7.7%, compared with 1.6% in South Dakota.
Route planning tips for Sully County fleets
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Sully County
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded in Sully County since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sully County) |
|---|---|
| US-83 | 8 |
| Sd Hwy 1804 | 3 |
| Ave | 1 |
Sully County at a glance
| Population | 1,468 |
| Land area | 1,006.7 sq mi |
| Density | 1 per sq mi |
| Median household income (ZIP average) | $71,688 |
Historical data: truck crashes in Sully 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 | -69% | 0.0 |
| 2010s | 1 | +0% | 0.0 |
| 2020s | 2 | +138% | 0.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 2. Some of the change may reflect how crashes were reported.
Cities, towns & communities in Sully County
ZIP codes in Sully County
Nearby counties
Questions fleets ask about Sully County
How many truck crashes happen in Sully County?
13 truck crashes have been reported in Sully County since 2015, with 2 deaths and 1 injuries.
How many garbage truck accidents happen in Sully County?
Since 2015, Sully County has reported 1 garbage-truck crash, or 7.7% of its truck crashes.
How do I plan a garbage truck route in Sully County?
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.