ZIP 51040 (Onawa, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51040: commercial truck and garbage truck crashes here and in Monona 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 133 truck crashes since 2015.
Deadliest roads
How Monona County compares with Iowa
Monona County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Monona County stands out
Full comparison
| Measure (2015–2025) | Monona County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 139.1 | 68.1 | 49.7 | 2.0× the state |
| Deaths per 100 crashes | 3.9 | 3.5 | 3.4 | 1.1× the state |
| Injuries per crash | 0.53 | 0.41 | 0.49 | 1.3× the state |
| Garbage-truck share | 0.8% | 2.2% | 2.3% | 64% below the state |
| On snow, slush or ice | 20.2% | 18.7% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 29.5% | 24.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 14.7% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 48.8% | 45.4% | 41.9% | 1.1× the state |
| After dark | 30.2% | 23.1% | 24.8% | 1.3× the state |
Monona County has lower values than Iowa for garbage-truck share. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Monona County: 1 in 128 garbage-truck share of crashes is 0.8%, against 2.2% for Iowa.
Overview
Police reported 133 crashes involving commercial trucks in Monona County since 2015: 68 people were injured and 5 were killed.
In complete reporting years that works out to about one truck crash every 31 days.
When crashes happen
Truck crashes peak in January (13.5% of the year) and are lowest in September (3.8%).
The five winter months (November to March) hold 48.8% of truck crashes, against 45.4% across Iowa.
The busiest hour is 6–7 am, with 9.8% of truck crashes.
Road surface: 20.2% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 51040 since 2015 were spread across roads: CR-E24 160Th St (1) and I-29 (1).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.8%, compared with 2.2% in Iowa.
Route planning tips for ZIP 51040 fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Monona County.
- Morning starts matter: 29.5% of truck crashes fall between 6 and 10 am, higher than Iowa.
- With 20.2% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- 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 Monona County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-E24 160Th St | 1 |
| I-29 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Monona County) |
|---|---|
| I-29 | 21 |
| Interstate 29/I 29 | 7 |
| Ia 175 | 3 |
| Interstate 29 Sb Mm 106.25 | 3 |
| 160Th St | 2 |
| I 29 Northbound 125Mm | 2 |
| I 29 S 118.4Mm | 2 |
| I 29 S/112.35Mm | 2 |
ZIP 51040 at a glance
| Population | 3,500 |
| Density | 10 per sq mi |
| Median household income | $71,179 |
| Median home value | $143,817 |
| Home ownership | 75% |
Waste facilities and haulers nearby
Historical data: truck crashes in Monona 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 | — | 0.3 |
| 2000s | 9 | +90% | 0.4 |
| 2010s | 10 | +21% | 0.7 |
| 2020s | 12 | +17% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 12. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51040
How many truck crashes happen in ZIP 51040?
Monona County has had 133 reported truck crashes since 2015, injuring 68 people and killing 5.
What is the worst month for truck crashes in ZIP 51040?
The worst month is January: 13.5% of truck crashes in Monona County happen then.
Are garbage truck crashes common in ZIP 51040?
Since 2015, Monona County has reported 1 garbage-truck crash, or 0.8% of its truck crashes.
What is the truck crash rate in ZIP 51040 compared with Iowa?
Monona County records 139.1 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
What is the best way to plan truck routes in ZIP 51040?
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.