ZIP 50621 (Conrad, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50621: 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 |
Compared with Iowa, Grundy County is lower on garbage-truck share and after dark. It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Grundy County: February worst month: 22.5% of truck crashes, vs 8.3% in an average month.
Overview
Grundy County has recorded 142 truck crashes since 2015, with 96 people injured and 11 killed.
Across the years with complete reporting, that is roughly one truck crash every 31 days.
When crashes happen
February has the most truck crashes, 22.5% of the yearly total, while April has the fewest (2.8%).
Winter months (Nov–Mar) carry 51.1% of truck crashes, vs 45.4% for Iowa.
More truck crashes happen at 12–1 pm than at any other hour (9.9%).
Road surface: 32.1% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 50621 happened on SR-14 (2); no road leads clearly.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.7% share (Iowa: 2.2%).
Route planning tips for ZIP 50621 fleets
- Build extra time into February routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 26.7% of truck crashes here, more than Iowa; adjust start times where you can.
- Icy and snowy roads show up in 32.1% 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 Grundy County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-14 | 2 |
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 50621 at a glance
| Population | 1,601 |
| Density | 10 per sq mi |
| Median household income | $88,077 |
| Median home value | $215,314 |
| Home ownership | 78% |
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 50621
How common are truck crashes in ZIP 50621?
Since 2015, 142 crashes involving commercial trucks were reported in Grundy County (96 injured, 11 killed).
What is the worst month for truck crashes in ZIP 50621?
February has the most truck crashes in Grundy County, 22.5% of the yearly total.
How many garbage truck crashes are there in ZIP 50621?
Garbage trucks were involved in 1 reported crash in Grundy County since 2015 (0.7% of truck crashes).
How do truck crashes in ZIP 50621 compare with Iowa?
The yearly rate is 96.0 truck crashes per 100,000 residents in Grundy County, vs 68.1 for Iowa.
How can I plan a safer truck route in ZIP 50621?
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.