ZIP 51104 (Sioux City, IA) truck route planning & crash data
Plan safer truck routes around ZIP 51104: 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 |
Woodbury County has lower values than Iowa for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher morning rush (6–10 am).
The headline for ZIP 51104: I-29 most fatal truck crashes within 10 miles of ZIP 51104: 4 since 2015.
Overview
Woodbury County has recorded 687 truck crashes since 2015, with 236 people injured and 12 killed.
That averages about one truck crash every 6 days in fully reported years.
When crashes happen
December has the most truck crashes, 10.5% of the yearly total, while March has the fewest (5.7%).
The five winter months (November to March) hold 43.5% of truck crashes, against 45.4% across Iowa.
More truck crashes happen at 8–9 am than at any other hour (9.0%).
Road surface: 13.4% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Within this area, I-29 had the most fatal crashes involving a large truck since 2015 (4). It is followed by US-75 (3), 18th St (1) and CR-152ND St (1).
Garbage & waste trucks
13 crashes involved a garbage or refuse truck, a 1.9% share (Iowa: 2.2%).
Route planning tips for ZIP 51104 fleets
- Review driver schedules for December, 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.
- Morning starts matter: 26.6% of truck crashes fall between 6 and 10 am, higher than Iowa.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
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 | 4 |
| US-75 | 3 |
| 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 51104 at a glance
| Population | 23,197 |
| Density | 1,198 per sq mi |
| Median household income | $75,362 |
| Median home value | $210,299 |
| Home ownership | 64% |
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 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 51104
How many truck accidents are there in ZIP 51104?
687 truck crashes have been reported in Woodbury County since 2015, with 12 deaths and 236 injuries.
Which road has the most fatal truck crashes in ZIP 51104?
Since 2015, I-29 has had the most fatal large-truck crashes within 10 miles of ZIP 51104: 4.
What is the worst month for truck crashes in ZIP 51104?
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 51104?
Since 2015, Woodbury County has reported 13 garbage-truck crashes, or 1.9% of its truck crashes.
How do truck crashes in ZIP 51104 compare 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 51104?
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.