ZIP 50255 (Thornburg, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50255: commercial truck and garbage truck crashes here and in Keokuk 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
2 of 68 truck crashes since 2015.
Deadliest roads
How Keokuk County compares with Iowa
Keokuk County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Keokuk County stands out
Full comparison
| Measure (2015–2025) | Keokuk County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 60.0 | 68.1 | 49.7 | 12% below the state |
| Deaths per 100 crashes | 4.6 | 3.5 | 3.4 | 1.3× the state |
| Injuries per crash | 0.45 | 0.41 | 0.49 | 1.1× the state |
| Garbage-truck share | 3.1% | 2.2% | 2.3% | 1.4× the state |
| On snow, slush or ice | 9.2% | 18.7% | 6.2% | 51% below the state |
| Morning rush (6–10 am) | 24.6% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 7.7% | 15.1% | 13.8% | 49% below the state |
| Winter months (Nov–Mar) | 43.1% | 45.4% | 41.9% | same |
| After dark | 29.2% | 23.1% | 24.8% | 1.3× the state |
Keokuk County sits below Iowa on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Keokuk County: October the month with the most truck crashes: 13.2% of the year's total.
Overview
Since 2015, 68 crashes involving commercial trucks have been reported in Keokuk County. They injured 36 people and killed 3.
In complete reporting years that works out to about one truck crash every 62 days.
When crashes happen
Truck crashes peak in October (13.2% of the year) and are lowest in May (4.4%).
Winter months (Nov–Mar) carry 43.1% of truck crashes, vs 45.4% for Iowa.
By time of day, 12–1 pm stands out with 10.3% of truck crashes.
Road surface: 9.2% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 50255 since 2015: CR-F67/325 St (1), CR-V044/D Ave (1) and SR-21 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 2.9%, compared with 2.2% in Iowa.
Route planning tips for ZIP 50255 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Keokuk County.
- 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 Keokuk County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-F67/325 St | 1 |
| CR-V044/D Ave | 1 |
| SR-21 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Keokuk County) |
|---|---|
| Ia 92 | 4 |
| State 78/Iowa 78 | 4 |
| State 22/Iowa 22 | 3 |
| Ia 21 | 3 |
| 300Th St And 280Th Ave | 2 |
| State 21/Iowa 21 | 2 |
| State 92/Iowa 92 | 2 |
| 120Th Ave | 1 |
ZIP 50255 at a glance
| Population | 51 |
| Density | 103 per sq mi |
| Median household income | $39,722 |
| Home ownership | 100% |
Waste facilities and haulers nearby
Historical data: truck crashes in Keokuk 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 | 3 | — | 1.1 |
| 2000s | 5 | +46% | 0.4 |
| 2010s | 5 | +8% | 0.5 |
| 2020s | 6 | +8% | 0.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 3 to 6. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.8 a year in 2016–19, 0.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50255
How many truck accidents are there in ZIP 50255?
Since 2015, 68 crashes involving commercial trucks were reported in Keokuk County (36 injured, 3 killed).
Which month has the most truck crashes in ZIP 50255?
Truck crashes in Keokuk County peak in October, with 13.2% of the year's crashes.
How many garbage truck crashes are there in ZIP 50255?
Since 2015, Keokuk County has reported 2 garbage-truck crashes, or 2.9% of its truck crashes.
How does ZIP 50255 compare with Iowa for truck crashes?
The yearly rate is 60.0 truck crashes per 100,000 residents in Keokuk County, vs 68.1 for Iowa.
What is the best way to plan truck routes in ZIP 50255?
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.