ZIP 50577 (Renwick, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50577: 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 has lower values than Iowa for 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 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.
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%.
The five winter months (November to March) hold 41.3% of truck crashes, against 45.4% across Iowa.
The busiest hour is 11 am–12 pm, with 13.8% of truck crashes.
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 ZIP 50577 since 2015: CR-R33/HANCOCK Ave (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 50577 fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Humboldt County.
- Icy and snowy roads show up in 22.2% of truck crashes here, more than Iowa; schedule winter checks early.
- 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 Humboldt County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-R33/HANCOCK Ave | 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 50577 at a glance
| Population | 341 |
| Density | 3 per sq mi |
| Median household income | $57,500 |
| Median home value | $131,030 |
| 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 |
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 large-truck crashes: 0.2 a year in 2016–19, 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50577
How many truck crashes happen in ZIP 50577?
Since 2015, 65 crashes involving commercial trucks were reported in Humboldt County (24 injured, 4 killed).
What is the worst month for truck crashes in ZIP 50577?
The worst month is January: 12.3% of truck crashes in Humboldt County happen then.
How many garbage truck crashes are there in ZIP 50577?
Garbage trucks were involved in 0 reported crashes in Humboldt County since 2015 (0.0% of truck crashes).
How do truck crashes in ZIP 50577 compare with Iowa?
Per 100,000 residents, Humboldt County has 59.6 truck crashes a year; Iowa has 68.1.
How can I plan a safer truck route in ZIP 50577?
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.