ZIP 52140 (Dorchester, IA) truck route planning & crash data
Plan safer truck routes around ZIP 52140: commercial truck and garbage truck crashes here and in Allamakee 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
1 of 83 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Allamakee County compares with Iowa
Allamakee County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Allamakee County stands out
Full comparison
| Measure (2015–2025) | Allamakee County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 51.9 | 68.1 | 49.7 | 24% below the state |
| Deaths per 100 crashes | 2.5 | 3.5 | 3.4 | 29% below the state |
| Injuries per crash | 0.41 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.0% | 2.2% | 2.3% | 100% below the state |
| On snow, slush or ice | 27.2% | 18.7% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 24.7% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 14.8% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 40.7% | 45.4% | 41.9% | 10% below the state |
| After dark | 14.8% | 23.1% | 24.8% | 36% below the state |
Allamakee County has lower values than Iowa for crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share. Where it is higher: on snow, slush or ice.
The headline for Allamakee County: 0 crashes involve a garbage truck (1 since 2015), vs 2.2% across Iowa.
Overview
Since 2015, 83 crashes involving commercial trucks have been reported in Allamakee County. They injured 33 people and killed 2.
Across the years with complete reporting, that is roughly one truck crash every 50 days.
When crashes happen
The worst month is October with 15.7% of truck crashes; the quietest is February at 2.4%.
Winter months (Nov–Mar) carry 40.7% of truck crashes, vs 45.4% for Iowa.
By time of day, 1–2 pm stands out with 13.3% of truck crashes.
Snow, slush or ice was on the road in 27.2% of truck crashes, compared with 18.7% in Iowa.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of ZIP 52140 since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.2%, compared with 2.2% in Iowa.
Route planning tips for ZIP 52140 fleets
- Build extra time into October routes: it has the most truck crashes here.
- Icy and snowy roads show up in 27.2% of truck crashes here, more than Iowa; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Allamakee 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 (Allamakee County) |
|---|---|
| Ia 76 | 8 |
| State 76/Iowa 76 | 5 |
| State 51/Iowa 51 | 3 |
| A052/Old Highway 9 | 2 |
| Ahlstrom Hollow Dr | 2 |
| B025/Lansing Harpers Rd | 2 |
| State 51/Iowa 51 And South Sid | 2 |
| State 9/Iowa 9 | 2 |
ZIP 52140 at a glance
| Population | 671 |
| Density | 4 per sq mi |
| Median household income | $72,188 |
| Median home value | $253,985 |
| Home ownership | 90% |
Waste facilities and haulers nearby
Historical data: truck crashes in Allamakee 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 | 1 | — | 0.5 |
| 2000s | 6 | +327% | 0.3 |
| 2010s | 7 | +10% | 0.0 |
| 2020s | 7 | +7% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 1 to 7. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 52140
How common are truck crashes in ZIP 52140?
Since 2015, 83 crashes involving commercial trucks were reported in Allamakee County (33 injured, 2 killed).
When do most truck crashes happen in ZIP 52140?
Truck crashes in Allamakee County peak in October, with 15.7% of the year's crashes.
How many garbage truck accidents happen in ZIP 52140?
Since 2015, Allamakee County has reported 1 garbage-truck crash, or 1.2% of its truck crashes.
How does ZIP 52140 compare with Iowa for truck crashes?
Allamakee County records 51.9 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
What is the best way to plan truck routes in ZIP 52140?
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.