ZIP 51440 (Dedham, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51440: commercial truck and garbage truck crashes here and in Carroll 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
2 of 132 truck crashes since 2015.
Deadliest roads
How Carroll County compares with Iowa
Carroll County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Carroll County stands out
Full comparison
| Measure (2015–2025) | Carroll County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 54.8 | 68.1 | 49.7 | 20% below the state |
| Deaths per 100 crashes | 5.7 | 3.5 | 3.4 | 1.6× the state |
| Injuries per crash | 0.52 | 0.41 | 0.49 | 1.3× the state |
| Garbage-truck share | 1.6% | 2.2% | 2.3% | 25% below the state |
| On snow, slush or ice | 9.8% | 18.7% | 6.2% | 48% below the state |
| Morning rush (6–10 am) | 19.5% | 24.0% | 23.7% | 19% below the state |
| In rain, sleet or snow | 13.0% | 15.1% | 13.8% | 14% below the state |
| Winter months (Nov–Mar) | 48.8% | 45.4% | 41.9% | 1.1× the state |
| After dark | 14.6% | 23.1% | 24.8% | 37% below the state |
Carroll County sits below Iowa on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. Where it is higher: deaths per 100 crashes, injuries per crash and winter months (nov–mar).
The headline for Carroll County: December worst month: 13.6% of truck crashes, vs 8.3% in an average month.
Overview
Police reported 132 crashes involving commercial trucks in Carroll County since 2015: 69 people were injured and 7 were killed.
Across the years with complete reporting, that is roughly one truck crash every 33 days.
When crashes happen
Truck crashes peak in December (13.6% of the year) and are lowest in March (3.8%).
November through March accounts for 48.8% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 1–2 pm than at any other hour (13.6%).
Snow, slush or ice was on the road in 9.8% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 51440 since 2015 were spread across roads: SR-141 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 1.5% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 51440 fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Carroll County.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Carroll County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-141 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Carroll County) |
|---|---|
| US-30 | 20 |
| US-71 | 5 |
| Ia 141 | 4 |
| Lynx Ave And Us 71 And State 1 | 3 |
| Delta Ave | 3 |
| 150Th Street & Noble Ave; Cont | 2 |
| 3Rd St | 2 |
| E016/120Th St | 2 |
ZIP 51440 at a glance
| Population | 334 |
| Density | 5 per sq mi |
| Median household income | $87,750 |
| Median home value | $217,294 |
| Home ownership | 93% |
Waste facilities and haulers nearby
Historical data: truck crashes in Carroll 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 | 7 | +44% | 0.4 |
| 2010s | 11 | +54% | 0.8 |
| 2020s | 11 | -5% | 0.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 11. Some of the change may reflect how crashes were reported. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51440
How common are truck crashes in ZIP 51440?
Since 2015, 132 crashes involving commercial trucks were reported in Carroll County (69 injured, 7 killed).
Which month has the most truck crashes in ZIP 51440?
December has the most truck crashes in Carroll County, 13.6% of the yearly total.
Are garbage truck crashes common in ZIP 51440?
Since 2015, Carroll County has reported 2 garbage-truck crashes, or 1.5% of its truck crashes.
How do truck crashes in ZIP 51440 compare with Iowa?
The yearly rate is 54.8 truck crashes per 100,000 residents in Carroll County, vs 68.1 for Iowa.
How can I plan a safer truck route in ZIP 51440?
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.