Thor, IA truck route planning & crash data
Plan safer truck routes in Thor: commercial truck and garbage truck crashes in Thor and Humboldt County, dangerous roads, seasonality and route safety data for fleets. Patterns use Humboldt County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 65 truck crashes since 2015.
Deadliest roads
How Humboldt County compares with Iowa
Humboldt County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Humboldt County stands out
Full comparison
| Measure (2015–2025) | Humboldt County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 59.6 | 68.1 | 49.7 | 12% below the state |
| Deaths per 100 crashes | 6.3 | 3.5 | 3.4 | 1.8× the state |
| Injuries per crash | 0.37 | 0.41 | 0.49 | 10% below the state |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 22.2% | 18.7% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 19.1% | 24.0% | 23.7% | 21% below the state |
| In rain, sleet or snow | 9.5% | 15.1% | 13.8% | 37% below the state |
| Winter months (Nov–Mar) | 41.3% | 45.4% | 41.9% | 9% below the state |
| After dark | 12.7% | 23.1% | 24.8% | 45% below the state |
Humboldt County sits below Iowa on crashes per 100k residents / yr, injuries per crash and garbage-truck share. It stands out for higher deaths per 100 crashes and on snow, slush or ice.
Humboldt County at a glance: 0 crashes involve a garbage truck (0 since 2015), vs 2.2% across Iowa.
Overview
Humboldt County has recorded 65 truck crashes since 2015, with 24 people injured and 4 killed.
That averages about one truck crash every 64 days in fully reported years.
Thor had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Humboldt County numbers.
65% of truck crash reports in Humboldt County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
January has the most truck crashes, 12.3% of the yearly total, while April has the fewest (4.6%).
November through March accounts for 41.3% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 11 am–12 pm than at any other hour (13.8%).
Road surface: 22.2% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Thor since 2015: SR-413 (1). No single road stands out.
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Humboldt County since 2015.
Route planning tips for Thor fleets
- Build extra time into January routes: it has the most truck crashes here.
- 22.2% of truck crashes were on snow, slush or ice, above Iowa; plan winter equipment checks before the season.
- 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 Humboldt County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-413 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Humboldt County) |
|---|---|
| US-169 | 6 |
| Ia 3 | 4 |
| State 3/220Th St | 3 |
| P029/Florida Ave And C049/270T | 3 |
| 1St Ave | 2 |
| 270Th St | 2 |
| Ia 15 N And Birch Ave And 110T | 2 |
| Ia 3 E Measuring 1529 Feet Eas | 2 |
Thor at a glance
| Population | 182 |
| Land area | 1.0 sq mi |
| Density | 183 per sq mi |
| Median household income (ZIP 50591) | $75,000 |
Waste facilities and haulers nearby
Historical data: truck crashes in Humboldt 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 | — | 0.4 |
| 2000s | 5 | +22% | 0.3 |
| 2010s | 5 | +4% | 0.5 |
| 2020s | 6 | +16% | 0.2 |
Reported truck crashes averaged 4 a year in the 1990s and 6 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 0.2 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Thor
How common are truck crashes in Thor?
Humboldt County has had 65 reported truck crashes since 2015, injuring 24 people and killing 4.
Which month has the most truck crashes in Thor?
January has the most truck crashes in Humboldt County, 12.3% of the yearly total.
How many garbage truck accidents happen in Thor?
Garbage trucks were involved in 0 reported crashes in Humboldt County since 2015 (0.0% of truck crashes).
How do truck crashes in Thor compare with Iowa?
Per 100,000 residents, Humboldt County has 59.6 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in Thor?
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.