ZIP 50638 (Grundy Center, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50638: commercial truck and garbage truck crashes here and in Grundy 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
1 of 142 truck crashes since 2015.
Deadliest roads
How Grundy County compares with Iowa
Grundy County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grundy County stands out
Full comparison
| Measure (2015–2025) | Grundy County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 96.0 | 68.1 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 8.4 | 3.5 | 3.4 | 2.4× the state |
| Injuries per crash | 0.72 | 0.41 | 0.49 | 1.8× the state |
| Garbage-truck share | 0.8% | 2.2% | 2.3% | 65% below the state |
| On snow, slush or ice | 32.1% | 18.7% | 6.2% | 1.7× the state |
| Morning rush (6–10 am) | 26.7% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 29.0% | 15.1% | 13.8% | 1.9× the state |
| Winter months (Nov–Mar) | 51.1% | 45.4% | 41.9% | 1.1× the state |
| After dark | 20.6% | 23.1% | 24.8% | 11% below the state |
Grundy County sits below Iowa on garbage-truck share and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Grundy County at a glance: February the month with the most truck crashes: 22.5% of the year's total.
Overview
Police reported 142 crashes involving commercial trucks in Grundy County since 2015: 96 people were injured and 11 were killed.
That averages about one truck crash every 31 days in fully reported years.
When crashes happen
The worst month is February with 22.5% of truck crashes; the quietest is April at 2.8%.
Winter months (Nov–Mar) carry 51.1% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 12–1 pm, with 9.9% of truck crashes.
32.1% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 50638 since 2015: SR-14 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.7%, compared with 2.2% in Iowa.
Route planning tips for ZIP 50638 fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Grundy County.
- 26.7% of truck crashes happen between 6 and 10 am, above Iowa; consider earlier or later starts where possible.
- 32.1% of truck crashes were on snow, slush or ice, above Iowa; plan winter equipment checks before the season.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Grundy County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-14 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grundy County) |
|---|---|
| US-20 | 24 |
| Us 20 Measuring 3954 Feet West | 8 |
| Ia 14 | 4 |
| State 14/G Ave | 3 |
| C Ave And Ia 175 | 2 |
| Hwy 20 208 | 2 |
| Hwy 20 And Hwy 14 | 2 |
| Hwy 20, Wb At 186.1Mm | 2 |
ZIP 50638 at a glance
| Population | 3,441 |
| Density | 14 per sq mi |
| Median household income | $85,223 |
| Median home value | $183,503 |
| Home ownership | 82% |
Waste facilities and haulers nearby
Historical data: truck crashes in Grundy 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 | 5 | — | 0.7 |
| 2000s | 9 | +74% | 0.2 |
| 2010s | 11 | +28% | 0.7 |
| 2020s | 12 | +7% | 0.2 |
Reported truck crashes averaged 5 a year in the 1990s and 12 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50638
How common are truck crashes in ZIP 50638?
Since 2015, 142 crashes involving commercial trucks were reported in Grundy County (96 injured, 11 killed).
Which month has the most truck crashes in ZIP 50638?
February has the most truck crashes in Grundy County, 22.5% of the yearly total.
How many garbage truck crashes are there in ZIP 50638?
Since 2015, Grundy County has reported 1 garbage-truck crash, or 0.7% of its truck crashes.
What is the truck crash rate in ZIP 50638 compared with Iowa?
Per 100,000 residents, Grundy County has 96.0 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in ZIP 50638?
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.