Duncombe, IA truck route planning & crash data
Plan safer truck routes in Duncombe: commercial truck and garbage truck crashes in Duncombe and Webster County, dangerous roads, seasonality and route safety data for fleets. Patterns use Webster County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
7 of 274 truck crashes since 2015.
Deadliest roads
How Webster County compares with Iowa
Webster County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Webster County stands out
Full comparison
| Measure (2015–2025) | Webster County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 63.3 | 68.1 | 49.7 | 7% below the state |
| Deaths per 100 crashes | 3.5 | 3.5 | 3.4 | same |
| Injuries per crash | 0.41 | 0.41 | 0.49 | same |
| Garbage-truck share | 2.7% | 2.2% | 2.3% | 1.2× the state |
| On snow, slush or ice | 23.0% | 18.7% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 27.6% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 14.8% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 47.5% | 45.4% | 41.9% | same |
| After dark | 16.3% | 23.1% | 24.8% | 29% below the state |
Webster County has lower values than Iowa for crashes per 100k residents / yr and after dark. Where it is higher: garbage-truck share, on snow, slush or ice and morning rush (6–10 am).
Webster County at a glance: January worst month: 11.3% of truck crashes, vs 8.3% in an average month.
Overview
Police reported 274 crashes involving commercial trucks in Webster County since 2015: 114 people were injured and 9 were killed.
In complete reporting years that works out to about one truck crash every 16 days.
Duncombe had 4 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Webster County numbers.
55% of truck crash reports in Webster County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is January with 11.3% of truck crashes; the quietest is April at 4.4%.
Winter months (Nov–Mar) carry 47.5% of truck crashes, vs 45.4% for Iowa.
The busiest hour is 9–10 am, with 9.1% of truck crashes.
Snow, slush or ice was on the road in 23.0% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
Fatal large-truck crashes within 10 miles of Duncombe since 2015 were spread across roads: CR-D20 200Th St (1), CR-G20 200Th St (1), Paragon Ave (1) and US-20 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 7 crashes, 2.6% of the total, against 2.2% across Iowa.
Route planning tips for Duncombe fleets
- Review driver schedules for January, the month with the most truck crashes.
- Morning starts matter: 27.6% of truck crashes fall between 6 and 10 am, higher than Iowa.
- With 23.0% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- 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 Webster County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-D20 200Th St | 1 |
| CR-G20 200Th St | 1 |
| Paragon Ave | 1 |
| US-20 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Webster County) |
|---|---|
| US-169 | 11 |
| US-20 | 11 |
| Us 20/235Th St | 9 |
| D014/170Th St | 4 |
| P029/Baxter Ave | 4 |
| Us 169 And State 7/190Th St An | 3 |
| Paragon Ave | 3 |
| 120Th St | 2 |
Duncombe at a glance
| Population | 374 |
| Land area | 2.0 sq mi |
| Density | 191 per sq mi |
| Median household income (ZIP 50532) | $65,000 |
| Median home value (ZIP 50532) | $233,341 |
Waste facilities and haulers nearby
Historical data: truck crashes in Webster 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 | 9 | — | 1.1 |
| 2000s | 18 | +105% | 0.9 |
| 2010s | 21 | +14% | 0.5 |
| 2020s | 23 | +11% | 1.4 |
Reported truck crashes averaged 9 a year in the 1990s and 23 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 0.8 a year in 2016–19 and 1.4 a year in 2020–24.
Nearby places
Questions fleets ask about Duncombe
How many truck crashes happen in Duncombe?
274 truck crashes have been reported in Webster County since 2015, with 9 deaths and 114 injuries.
What is the worst month for truck crashes in Duncombe?
Truck crashes in Webster County peak in January, with 11.3% of the year's crashes.
How many garbage truck accidents happen in Duncombe?
7 crashes involving garbage or refuse trucks have been reported in Webster County since 2015, 2.6% of all truck crashes.
How do truck crashes in Duncombe compare with Iowa?
The yearly rate is 63.3 truck crashes per 100,000 residents in Webster County, vs 68.1 for Iowa.
How do I plan a garbage truck route in Duncombe?
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.