ZIP 50657 (Morrison, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50657: commercial truck and garbage truck crashes here and in Grundy 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 142 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Grundy County compares with Iowa
Grundy County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grundy County stands out
Full comparison
| Measure (2015–2025) | Grundy County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 96.0 | 68.1 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 8.4 | 3.5 | 3.4 | 2.4× the state |
| Injuries per crash | 0.72 | 0.41 | 0.49 | 1.8× the state |
| Garbage-truck share | 0.8% | 2.2% | 2.3% | 65% below the state |
| On snow, slush or ice | 32.1% | 18.7% | 6.2% | 1.7× the state |
| Morning rush (6–10 am) | 26.7% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 29.0% | 15.1% | 13.8% | 1.9× the state |
| Winter months (Nov–Mar) | 51.1% | 45.4% | 41.9% | 1.1× the state |
| After dark | 20.6% | 23.1% | 24.8% | 11% below the state |
Grundy County has lower values than Iowa for garbage-truck share and after dark. It runs above Iowa on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Grundy County: February 22.5% of truck crashes happen in February, more than any other month.
Overview
Grundy County has recorded 142 truck crashes since 2015, with 96 people injured and 11 killed.
In complete reporting years that works out to about one truck crash every 31 days.
When crashes happen
Truck crashes peak in February (22.5% of the year) and are lowest in April (2.8%).
The five winter months (November to March) hold 51.1% of truck crashes, against 45.4% across Iowa.
By time of day, 12–1 pm stands out with 9.9% of truck crashes.
32.1% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of ZIP 50657 since 2015.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.7% share (Iowa: 2.2%).
Route planning tips for ZIP 50657 fleets
- Build extra time into February routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 26.7% of truck crashes here, more than Iowa; adjust start times where you can.
- With 32.1% of truck crashes on snow, slush or ice (above Iowa), plan winter equipment checks early.
- 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 Grundy 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 (Grundy County) |
|---|---|
| US-20 | 24 |
| Us 20 Measuring 3954 Feet West | 8 |
| Ia 14 | 4 |
| State 14/G Ave | 3 |
| C Ave And Ia 175 | 2 |
| Hwy 20 208 | 2 |
| Hwy 20 And Hwy 14 | 2 |
| Hwy 20, Wb At 186.1Mm | 2 |
ZIP 50657 at a glance
| Population | 96 |
| Density | 245 per sq mi |
| Median household income | $66,250 |
| Median home value | $95,403 |
| Home ownership | 91% |
Waste facilities and haulers nearby
Historical data: truck crashes in Grundy 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 | 5 | — | 0.7 |
| 2000s | 9 | +74% | 0.2 |
| 2010s | 11 | +28% | 0.7 |
| 2020s | 12 | +7% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 12. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50657
How many truck crashes happen in ZIP 50657?
Grundy County has had 142 reported truck crashes since 2015, injuring 96 people and killing 11.
Which month has the most truck crashes in ZIP 50657?
February has the most truck crashes in Grundy County, 22.5% of the yearly total.
How many garbage truck accidents happen in ZIP 50657?
1 crash involving garbage or refuse trucks have been reported in Grundy County since 2015, 0.7% of all truck crashes.
How do truck crashes in ZIP 50657 compare with Iowa?
Per 100,000 residents, Grundy County has 96.0 truck crashes a year; Iowa has 68.1.
How do I plan a garbage truck route in ZIP 50657?
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.