ZIP 51545 (Little Sioux, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51545: commercial truck and garbage truck crashes here and in Harrison 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
3 of 301 truck crashes since 2015.
Deadliest roads
How Harrison County compares with Iowa
Harrison County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Harrison County stands out
Full comparison
| Measure (2015–2025) | Harrison County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 174.0 | 68.1 | 49.7 | 2.6× the state |
| Deaths per 100 crashes | 3.9 | 3.5 | 3.4 | 1.1× the state |
| Injuries per crash | 0.46 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.1% | 2.2% | 2.3% | 51% below the state |
| On snow, slush or ice | 16.4% | 18.7% | 6.2% | 12% below the state |
| Morning rush (6–10 am) | 23.9% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 13.2% | 15.1% | 13.8% | 13% below the state |
| Winter months (Nov–Mar) | 43.6% | 45.4% | 41.9% | same |
| After dark | 18.2% | 23.1% | 24.8% | 21% below the state |
Compared with Iowa, Harrison County is lower on garbage-truck share, on snow, slush or ice and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Harrison County at a glance: 1 in 93 of truck crashes here involve garbage trucks: 1.1%, vs 2.2% in Iowa.
Overview
Police reported 301 crashes involving commercial trucks in Harrison County since 2015: 132 people were injured and 11 were killed.
Across the years with complete reporting, that is roughly one truck crash every 14 days.
When crashes happen
March has the most truck crashes, 12.3% of the yearly total, while December has the fewest (6.0%).
November through March accounts for 43.6% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 10–11 am than at any other hour (10.3%).
Road surface: 16.4% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
I-29 leads within 10 miles of ZIP 51545 with 4 fatal crashes involving a large truck since 2015. Next come SR-183 (1).
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 1.0%, compared with 2.2% in Iowa.
Route planning tips for ZIP 51545 fleets
- Plan March schedules with more margin; it is the worst month for truck crashes in Harrison County.
- Where you can, review stops along I-29; it has the most fatal large-truck crashes nearby.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Harrison County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-29 | 4 |
| SR-183 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Harrison County) |
|---|---|
| US-30 | 24 |
| I-29 | 11 |
| Interstate 29 Northbound Near | 5 |
| Austin Ave | 5 |
| Us 30 And Redwood Ave | 3 |
| L020/Loess Hills Trl Measuring | 3 |
| L020/Loess Hills Trl And Kermi | 3 |
| Ia 127 | 3 |
ZIP 51545 at a glance
| Population | 267 |
| Density | 2 per sq mi |
| Median household income | $70,313 |
| Home ownership | 86% |
Waste facilities and haulers nearby
Historical data: truck crashes in Harrison 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 | 12 | — | 0.5 |
| 2000s | 19 | +56% | 0.8 |
| 2010s | 21 | +13% | 0.7 |
| 2020s | 24 | +14% | 0.8 |
Reported truck crashes averaged 12 a year in the 1990s and 24 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 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 51545
How many truck accidents are there in ZIP 51545?
301 truck crashes have been reported in Harrison County since 2015, with 11 deaths and 132 injuries.
Where do fatal truck crashes happen most in ZIP 51545?
Since 2015, I-29 has had the most fatal large-truck crashes within 10 miles of ZIP 51545: 4.
When do most truck crashes happen in ZIP 51545?
The worst month is March: 12.3% of truck crashes in Harrison County happen then.
How many garbage truck accidents happen in ZIP 51545?
3 crashes involving garbage or refuse trucks have been reported in Harrison County since 2015, 1.0% of all truck crashes.
How do truck crashes in ZIP 51545 compare with Iowa?
Harrison County records 174.0 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How can I plan a safer truck route in ZIP 51545?
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.