ZIP 50570 (Ottosen, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50570: 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 |
Compared with Iowa, Humboldt County is lower on crashes per 100k residents / yr, injuries per crash and garbage-truck share. Where it is higher: deaths per 100 crashes and on snow, slush or ice.
Humboldt County at a glance: 0 of truck crashes here involve garbage trucks: 0.0%, vs 2.2% in Iowa.
Overview
Since 2015, 65 crashes involving commercial trucks have been reported in Humboldt County. They injured 24 people and killed 4.
In complete reporting years that works out to about one truck crash every 64 days.
When crashes happen
January has the most truck crashes, 12.3% of the yearly total, while April has the fewest (4.6%).
Winter months (Nov–Mar) carry 41.3% of truck crashes, vs 45.4% for 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
Roads with fatal crashes involving a large truck within 10 miles of ZIP 50570 since 2015: 70th Ave (1), SR-15 (1) and US-169 (1). No single road stands out.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Humboldt County since 2015.
Route planning tips for ZIP 50570 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Icy and snowy roads show up in 22.2% of truck crashes here, more than Iowa; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Humboldt County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| 70th Ave | 1 |
| SR-15 | 1 |
| US-169 | 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 50570 at a glance
| Population | 203 |
| Density | 2 per sq mi |
| Median household income | $67,813 |
| Home ownership | 78% |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 4 to 6. Some of the change may reflect how crashes were reported. 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 50570
How many truck crashes happen in ZIP 50570?
Since 2015, 65 crashes involving commercial trucks were reported in Humboldt County (24 injured, 4 killed).
Which month has the most truck crashes in ZIP 50570?
Truck crashes in Humboldt County peak in January, with 12.3% of the year's crashes.
How many garbage truck crashes are there in ZIP 50570?
Garbage trucks were involved in 0 reported crashes in Humboldt County since 2015 (0.0% of truck crashes).
How do truck crashes in ZIP 50570 compare with Iowa?
Humboldt County records 59.6 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How do I plan a garbage truck route in ZIP 50570?
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.