ZIP 50591 (Thor, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50591: commercial truck and garbage truck crashes here and in Humboldt 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 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.
The headline for Humboldt County: 0 garbage-truck share of crashes is 0.0%, against 2.2% for Iowa.
Overview
Since 2015, 65 crashes involving commercial trucks have been reported in Humboldt County. They injured 24 people and killed 4.
Across the years with complete reporting, that is roughly one truck crash every 64 days.
When crashes happen
The worst month is January with 12.3% of truck crashes; the quietest is April at 4.6%.
November through March accounts for 41.3% of truck crashes here, compared with 45.4% in Iowa.
The busiest hour is 11 am–12 pm, with 13.8% of truck crashes.
Snow, slush or ice was on the road in 22.2% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 50591 happened on SR-413 (1); no road leads clearly.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Humboldt County.
Route planning tips for ZIP 50591 fleets
- Review driver schedules for January, the month with the most truck crashes.
- Icy and snowy roads show up in 22.2% of truck crashes here, more than Iowa; schedule winter checks early.
- 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 |
ZIP 50591 at a glance
| Population | 405 |
| Density | 5 per sq mi |
| Median household income | $75,000 |
| Home ownership | 89% |
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 |
In the 1990s about 4 truck crashes a year were reported; in the 2020s, about 6. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50591
How common are truck crashes in ZIP 50591?
Humboldt County has had 65 reported truck crashes since 2015, injuring 24 people and killing 4.
What is the worst month for truck crashes in ZIP 50591?
The worst month is January: 12.3% of truck crashes in Humboldt County happen then.
How many garbage truck accidents happen in ZIP 50591?
Garbage trucks were involved in 0 reported crashes in Humboldt County since 2015 (0.0% of truck crashes).
How does ZIP 50591 compare with Iowa for truck crashes?
Per 100,000 residents, Humboldt County has 59.6 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in ZIP 50591?
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.