ZIP 51111 (Sioux City, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51111: 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
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 |
Compared with Iowa, Woodbury County is lower on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. Where it is higher: morning rush (6–10 am).
Woodbury County at a glance: 1.7 deaths for every 100 truck crashes, against 3.5 across Iowa.
Overview
Woodbury County has recorded 687 truck crashes since 2015, with 236 people injured and 12 killed.
In complete reporting years that works out to about one truck crash every 6 days.
When crashes happen
The worst month is December with 10.5% of truck crashes; the quietest is March at 5.7%.
Winter months (Nov–Mar) carry 43.5% of truck crashes, vs 45.4% for Iowa.
By time of day, 8–9 am stands out with 9.0% of truck crashes.
13.4% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 51111 since 2015 were spread across roads: I-29 (2), US-75 (2), 18th St (1), CR-152ND St (1) and I-129 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 13 crashes, 1.9% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 51111 fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Woodbury County.
- The morning rush (6–10 am) holds 26.6% of truck crashes here, more than Iowa; adjust start times where you can.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Woodbury County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-29 | 2 |
| US-75 | 2 |
| 18th St | 1 |
| CR-152ND St | 1 |
| I-129 | 1 |
| SR-35 | 1 |
| SR-376 | 1 |
| US-20 | 1 |
| Us- Hwy 20 | 1 |
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 51111 at a glance
| Population | 39 |
| Density | 2 per sq mi |
| Home ownership | 0% |
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 |
Reported truck crashes averaged 25 a year in the 1990s and 59 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 1.0 a year in 2016–19 and 1.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 51111
How common are truck crashes in ZIP 51111?
Woodbury County has had 687 reported truck crashes since 2015, injuring 236 people and killing 12.
What is the worst month for truck crashes in ZIP 51111?
The worst month is December: 10.5% of truck crashes in Woodbury County happen then.
Are garbage truck crashes common in ZIP 51111?
Garbage trucks were involved in 13 reported crashes in Woodbury County since 2015 (1.9% of truck crashes).
How do truck crashes in ZIP 51111 compare with Iowa?
The yearly rate is 56.1 truck crashes per 100,000 residents in Woodbury County, vs 68.1 for Iowa.
What is the best way to plan truck routes in ZIP 51111?
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.