ZIP 50635 (Gladbrook, IA) truck route planning & crash data
Plan safer truck routes around ZIP 50635: commercial truck and garbage truck crashes here and in Tama 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 135 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Tama County compares with Iowa
Tama County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Tama County stands out
Full comparison
| Measure (2015–2025) | Tama County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 69.0 | 68.1 | 49.7 | same |
| Deaths per 100 crashes | 6.3 | 3.5 | 3.4 | 1.8× the state |
| Injuries per crash | 0.41 | 0.41 | 0.49 | same |
| Garbage-truck share | 0.8% | 2.2% | 2.3% | 64% below the state |
| On snow, slush or ice | 15.8% | 18.7% | 6.2% | 16% below the state |
| Morning rush (6–10 am) | 33.9% | 24.0% | 23.7% | 1.4× the state |
| In rain, sleet or snow | 14.2% | 15.1% | 13.8% | same |
| Winter months (Nov–Mar) | 48.0% | 45.4% | 41.9% | same |
| After dark | 20.5% | 23.1% | 24.8% | 11% below the state |
Compared with Iowa, Tama County is lower on garbage-truck share, on snow, slush or ice and after dark. It runs above Iowa on deaths per 100 crashes and morning rush (6–10 am).
What stands out in Tama County: 1 in 127 of truck crashes here involve garbage trucks: 0.8%, vs 2.2% in Iowa.
Overview
Since 2015, 135 crashes involving commercial trucks have been reported in Tama County. They injured 54 people and killed 9.
Across the years with complete reporting, that is roughly one truck crash every 32 days.
When crashes happen
The worst month is November with 12.6% of truck crashes; the quietest is May at 3.7%.
November through March accounts for 48.0% of truck crashes here, compared with 45.4% in Iowa.
More truck crashes happen at 7–8 am than at any other hour (11.1%).
15.8% of truck crashes here happened on snow, slush or ice, against 18.7% across Iowa.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 50635 since 2015.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 0.7% of the total, against 2.2% across Iowa.
Route planning tips for ZIP 50635 fleets
- Plan November schedules with more margin; it is the worst month for truck crashes in Tama County.
- The morning rush (6–10 am) holds 33.9% of truck crashes here, more than Iowa; adjust start times where you can.
- 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 Tama 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 (Tama County) |
|---|---|
| US-30 | 27 |
| US-63 | 11 |
| Ia 8 | 3 |
| Highway T47 | 2 |
| Highway V18 And 230Th St And H | 2 |
| New Highway 30 Construction | 2 |
| State 21/Iowa 21 And Us 30 And | 2 |
| T047/Hwy T47 | 2 |
ZIP 50635 at a glance
| Population | 1,423 |
| Density | 7 per sq mi |
| Median household income | $81,125 |
| Median home value | $170,056 |
| Home ownership | 80% |
Waste facilities and haulers nearby
Historical data: truck crashes in Tama 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 | 6 | — | 1.2 |
| 2000s | 7 | +22% | 0.6 |
| 2010s | 9 | +29% | 0.9 |
| 2020s | 13 | +40% | 0.0 |
In the 1990s about 6 truck crashes a year were reported; in the 2020s, about 13. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.2 a year in 2016–19, 0.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 50635
How common are truck crashes in ZIP 50635?
135 truck crashes have been reported in Tama County since 2015, with 9 deaths and 54 injuries.
What is the worst month for truck crashes in ZIP 50635?
Truck crashes in Tama County peak in November, with 12.6% of the year's crashes.
How many garbage truck accidents happen in ZIP 50635?
Since 2015, Tama County has reported 1 garbage-truck crash, or 0.7% of its truck crashes.
What is the truck crash rate in ZIP 50635 compared with Iowa?
Tama County records 69.0 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
What is the best way to plan truck routes in ZIP 50635?
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.