ZIP 50032 (Berwick, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50032: commercial truck and garbage truck crashes here and in Polk 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
1.1 deaths per 100 garbage-truck crashes vs 1.4 for all trucks.
Deadliest roads
How Polk County compares with Iowa
Polk County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Polk County stands out
Full comparison
| Measure (2015–2025) | Polk County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 54.7 | 68.1 | 49.7 | 20% below the state |
| Deaths per 100 crashes | 1.4 | 3.5 | 3.4 | 60% below the state |
| Injuries per crash | 0.31 | 0.41 | 0.49 | 24% below the state |
| Garbage-truck share | 3.0% | 2.2% | 2.3% | 1.4× the state |
| On snow, slush or ice | 14.7% | 18.7% | 6.2% | 21% below the state |
| Morning rush (6–10 am) | 22.9% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 14.1% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 42.7% | 45.4% | 41.9% | same |
| After dark | 22.2% | 23.1% | 24.8% | same |
Polk 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 garbage-truck share.
What stands out in Polk County: 1.4 deaths per 100 truck crashes, vs 3.5 in Iowa.
Overview
Since 2015, 3,327 crashes involving commercial trucks have been reported in Polk County. They injured 1,035 people and killed 47.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
February has the most truck crashes, 9.9% of the yearly total, while November has the fewest (6.7%).
The five winter months (November to March) hold 42.7% of truck crashes, against 45.4% across Iowa.
More truck crashes happen at 3–4 pm than at any other hour (7.8%).
Road surface: 14.7% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 50032 happened on I-35 (4), US-65 (4), I-80 (3), SR-163 (3) and 8th St Sw (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 100 of the truck crashes here, or 3.0%, compared with 2.2% in Iowa.
Garbage-truck crashes peak in August (12% of them).
They recorded 1.1 deaths per 100 crashes, against 1.4 for all trucks.
Route planning tips for ZIP 50032 fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Polk County.
- For residential and commercial waste routes, look again at August schedules: garbage-truck crashes peak then.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Polk County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-35 | 4 |
| US-65 | 4 |
| I-80 | 3 |
| SR-163 | 3 |
| 8th St Sw | 1 |
| CR-R56/NW 6Th Dr | 1 |
| E Army Post Rd | 1 |
| Grand Ave | 1 |
| Guthrie Ave | 1 |
| I-235 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Polk County) |
|---|---|
| Interstate 35/I 35 | 44 |
| I-80 | 38 |
| I-35 | 29 |
| I-235 | 28 |
| US-65 | 21 |
| Blk I 80 | 19 |
| Blk I8035 | 15 |
| Interstate 235/I 235 Measuring | 15 |
ZIP 50032 at a glance
| Population | 707 |
| Density | 642 per sq mi |
| Home ownership | 82% |
Waste facilities and haulers nearby
Historical data: truck crashes in Polk 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 | 112 | — | 4.5 |
| 2000s | 212 | +90% | 4.1 |
| 2010s | 234 | +10% | 2.7 |
| 2020s | 301 | +29% | 4.2 |
Reported truck crashes averaged 112 a year in the 1990s and 301 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 2.8 a year in 2016–19, 4.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50032
How many truck accidents are there in ZIP 50032?
3,327 truck crashes have been reported in Polk County since 2015, with 47 deaths and 1,035 injuries.
When do most truck crashes happen in ZIP 50032?
Truck crashes in Polk County peak in February, with 9.9% of the year's crashes.
How many garbage truck accidents happen in ZIP 50032?
100 crashes involving garbage or refuse trucks have been reported in Polk County since 2015, 3.0% of all truck crashes.
How do truck crashes in ZIP 50032 compare with Iowa?
Polk County records 54.7 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How can I plan a safer truck route in ZIP 50032?
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.