Thorp, SD truck route planning & crash data
Plan safer truck routes in Thorp: commercial truck and garbage truck crashes in Thorp and Clark County, dangerous roads, seasonality and route safety data for fleets. Patterns use Clark County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 26 truck crashes since 2015.
Deadliest roads
How Clark County compares with South Dakota
Clark County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Clark County stands out
Full comparison
| Measure (2015–2025) | Clark County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 52.6 | 42.0 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 26.1 | 5.2 | 3.4 | 5.0× the state |
| Injuries per crash | 0.26 | 0.13 | 0.49 | 2.0× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 13.0% | 28.6% | 6.2% | 54% below the state |
| Morning rush (6–10 am) | 21.7% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 8.7% | 17.5% | 13.8% | 50% below the state |
| Winter months (Nov–Mar) | 34.8% | 48.8% | 41.9% | 29% below the state |
| After dark | 17.4% | 22.8% | 24.8% | 24% below the state |
Clark County sits below South Dakota on garbage-truck share, on snow, slush or ice and in rain, sleet or snow. It runs above South Dakota on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Clark County: 26.1 deaths per 100 truck crashes, vs 5.2 in South Dakota.
Overview
Since 2015, 26 crashes involving commercial trucks have been reported in Clark County. They injured 6 people and killed 7.
In complete reporting years that works out to about one truck crash every 175 days.
With 0 truck crashes reported in Thorp since 2015, this page uses Clark County numbers for its patterns and comparisons.
When crashes happen
The worst month is October with 26.9% of truck crashes; the quietest is June at 0.0%.
Winter months (Nov–Mar) carry 34.8% of truck crashes, vs 48.8% for South Dakota.
By time of day, 9–10 am stands out with 15.4% of truck crashes.
13.0% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Thorp happened on CR-167TH St (1), Sr- 20 (1) and US-212 (1); no road leads clearly.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Clark County.
Route planning tips for Thorp fleets
- Review driver schedules for October, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Clark County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-167TH St | 1 |
| Sr- 20 | 1 |
| US-212 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Clark County) |
|---|---|
| US-212 | 8 |
| Sd Hwy 20 | 4 |
| Sd Hwy 25 | 4 |
| Ave | 3 |
| Sd Hwy 28 | 3 |
| 424Th Ave | 1 |
Thorp at a glance
| Population | 53 |
| Land area | 35.2 sq mi |
| Density | 2 per sq mi |
| Median household income (ZIP 57217) | $64,125 |
Historical data: truck crashes in Clark 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 | — | 0.3 |
| 2000s | 2 | +57% | 0.2 |
| 2010s | 3 | +23% | 0.1 |
| 2020s | 2 | -14% | 0.4 |
In the 1990s about 1 truck crash a year were reported; in the 2020s, about 2. Reporting coverage also changed between these periods. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Thorp
How common are truck crashes in Thorp?
Since 2015, 26 crashes involving commercial trucks were reported in Clark County (6 injured, 7 killed).
What is the worst month for truck crashes in Thorp?
Truck crashes in Clark County peak in October, with 26.9% of the year's crashes.
Are garbage truck crashes common in Thorp?
Garbage trucks were involved in 0 reported crashes in Clark County since 2015 (0.0% of truck crashes).
How do truck crashes in Thorp compare with South Dakota?
The yearly rate is 52.6 truck crashes per 100,000 residents in Clark County, vs 42.0 for South Dakota.
How can I plan a safer truck route in Thorp?
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.