ZIP 51056 (Smithland, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51056: commercial truck and garbage truck crashes here and in Woodbury 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
13 of 687 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Woodbury County compares with Iowa
Woodbury County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Woodbury County stands out
Full comparison
| Measure (2015–2025) | Woodbury County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 56.1 | 68.1 | 49.7 | 18% below the state |
| Deaths per 100 crashes | 1.7 | 3.5 | 3.4 | 51% below the state |
| Injuries per crash | 0.34 | 0.41 | 0.49 | 17% below the state |
| Garbage-truck share | 2.0% | 2.2% | 2.3% | 10% below the state |
| On snow, slush or ice | 13.4% | 18.7% | 6.2% | 28% below the state |
| Morning rush (6–10 am) | 26.6% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 13.4% | 15.1% | 13.8% | 11% below the state |
| Winter months (Nov–Mar) | 43.5% | 45.4% | 41.9% | same |
| After dark | 18.3% | 23.1% | 24.8% | 21% below the state |
Woodbury County has lower values than Iowa for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It runs above Iowa on morning rush (6–10 am).
The headline for Woodbury County: 1.7 deaths per 100 truck crashes, vs 3.5 in Iowa.
Overview
Police reported 687 crashes involving commercial trucks in Woodbury County since 2015: 236 people were injured and 12 were killed.
In complete reporting years that works out to about one truck crash every 6 days.
When crashes happen
Truck crashes peak in December (10.5% of the year) and are lowest in March (5.7%).
Winter months (Nov–Mar) carry 43.5% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 8–9 am, with 9.0% of truck crashes.
Snow, slush or ice was on the road in 13.4% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 51056 since 2015.
Garbage & waste trucks
Garbage trucks account for 13 of the truck crashes here, or 1.9%, compared with 2.2% in Iowa.
Route planning tips for ZIP 51056 fleets
- Build extra time into December routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 26.6% of truck crashes here, more than Iowa; adjust start times where you can.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Woodbury County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Woodbury County) |
|---|---|
| US-20 | 66 |
| I-29 | 53 |
| Interstate 29/I 29 | 22 |
| Harbor Dr And Singing Hills Bl | 15 |
| Ia 376 | 9 |
| Interstate 29/Ne Ramp And Stat | 9 |
| Hoeven Dr And 6Th St | 8 |
| Ia 12 | 8 |
ZIP 51056 at a glance
| Population | 346 |
| Density | 4 per sq mi |
| Median household income | $103,313 |
| Median home value | $166,701 |
| Home ownership | 92% |
Waste facilities and haulers nearby
Historical data: truck crashes in Woodbury 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 | 25 | — | 1.4 |
| 2000s | 53 | +113% | 1.0 |
| 2010s | 57 | +8% | 1.2 |
| 2020s | 59 | +3% | 1.4 |
In the 1990s about 25 truck crashes a year were reported; in the 2020s, about 59. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.0 a year in 2016–19, 1.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51056
How many truck accidents are there in ZIP 51056?
Woodbury County has had 687 reported truck crashes since 2015, injuring 236 people and killing 12.
Which month has the most truck crashes in ZIP 51056?
Truck crashes in Woodbury County peak in December, with 10.5% of the year's crashes.
How many garbage truck crashes are there in ZIP 51056?
Since 2015, Woodbury County has reported 13 garbage-truck crashes, or 1.9% of its truck crashes.
What is the truck crash rate in ZIP 51056 compared with Iowa?
Woodbury County records 56.1 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
What is the best way to plan truck routes in ZIP 51056?
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.