ZIP 51555 (Missouri Valley, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51555: 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 |
Harrison County has lower values than Iowa for 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 garbage-truck share of crashes is 1.1%, against 2.2% for Iowa.
Overview
Since 2015, 301 crashes involving commercial trucks have been reported in Harrison County. They injured 132 people and killed 11.
That averages about one truck crash every 14 days in fully reported years.
When crashes happen
March has the most truck crashes, 12.3% of the yearly total, while December has the fewest (6.0%).
Winter months (Nov–Mar) carry 43.6% of truck crashes, vs 45.4% for Iowa.
More truck crashes happen at 10–11 am than at any other hour (10.3%).
16.4% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Within this area, I-29 had the most fatal crashes involving a large truck since 2015 (2). After it: CR-L34 (1), I-680 (1) and SR-127 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 1.0% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 51555 fleets
- Review driver schedules for March, the month with the most truck crashes.
- Check whether your routes use I-29, the road with the most fatal truck crashes in this area.
- 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 Harrison County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-29 | 2 |
| CR-L34 | 1 |
| I-680 | 1 |
| SR-127 | 1 |
| US-75 | 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 51555 at a glance
| Population | 4,952 |
| Density | 13 per sq mi |
| Median household income | $85,273 |
| Median home value | $187,364 |
| Home ownership | 77% |
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. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51555
How common are truck crashes in ZIP 51555?
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 51555?
NHTSA data shows I-29 with 2 fatal large-truck crashes within 10 miles of ZIP 51555 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 51555?
Truck crashes in Harrison County peak in March, with 12.3% of the year's crashes.
How many garbage truck accidents happen in ZIP 51555?
Since 2015, Harrison County has reported 3 garbage-truck crashes, or 1.0% of its truck crashes.
What is the truck crash rate in ZIP 51555 compared with Iowa?
Per 100,000 residents, Harrison County has 174.0 truck crashes a year; Iowa has 68.1.
What is the best way to plan truck routes in ZIP 51555?
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.