Grand Marsh, WI truck route planning & crash data
Plan safer truck routes in Grand Marsh: commercial truck and garbage truck crashes in Grand Marsh and Adams County, dangerous roads, seasonality and route safety data for fleets. Patterns use Adams County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5 of 126 truck crashes since 2015.
Deadliest roads
How Adams County compares with Wisconsin
Adams County against Wisconsin and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Adams County stands out
Full comparison
| Measure (2015–2025) | Adams County | Wisconsin | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 51.9 | 42.6 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 7.4 | 3.4 | 3.4 | 2.2× the state |
| Injuries per crash | 0.55 | 0.46 | 0.49 | 1.2× the state |
| Garbage-truck share | 4.1% | 2.7% | 2.3% | 1.5× the state |
| On snow, slush or ice | 9.8% | 13.4% | 6.2% | 27% below the state |
| Morning rush (6–10 am) | 27.1% | 26.9% | 23.7% | same |
| In rain, sleet or snow | 6.6% | 16.5% | 13.8% | 60% below the state |
| Winter months (Nov–Mar) | 36.9% | 44.9% | 41.9% | 18% below the state |
| After dark | 13.9% | 20.9% | 24.8% | 33% below the state |
Adams County sits below Wisconsin on on snow, slush or ice, in rain, sleet or snow and winter months (nov–mar). It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Adams County at a glance: 7.4 deaths per 100 truck crashes, vs 3.4 in Wisconsin.
Overview
Since 2015, 126 crashes involving commercial trucks have been reported in Adams County. They injured 67 people and killed 9.
Across the years with complete reporting, that is roughly one truck crash every 33 days.
Only 0 truck crashes were reported in Grand Marsh since 2015; patterns below come from Adams County as a whole.
When crashes happen
The worst month is September with 15.1% of truck crashes; the quietest is May at 5.6%.
Winter months (Nov–Mar) carry 36.9% of truck crashes, vs 44.9% for Wisconsin.
More truck crashes happen at 8–9 am than at any other hour (9.5%).
Road surface: 9.8% of truck crashes were on snow, slush or ice (Wisconsin: 13.4%).
Where crashes happen
Fatal large-truck crashes within 10 miles of Grand Marsh since 2015 were spread across roads: CR-G (1).
Garbage & waste trucks
5 crashes involved a garbage or refuse truck, a 4.0% share (Wisconsin: 2.7%).
Route planning tips for Grand Marsh fleets
- Build extra time into September routes: it has the most truck crashes here.
- 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 Adams County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-G | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Adams County) |
|---|---|
| Sth 021 | 21 |
| Sth 013 | 16 |
| Cth G | 12 |
| Sth 082 | 10 |
| Cth C | 6 |
| Cth Z | 4 |
| SR-013 | 4 |
| Cth B | 3 |
Grand Marsh at a glance
| Land area | 1.2 sq mi |
| Median household income (ZIP 53936) | $55,515 |
| Median home value (ZIP 53936) | $137,122 |
Waste facilities and haulers nearby
Historical data: truck crashes in Adams 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 | 12 | — | 0.6 |
| 2000s | 12 | +4% | 1.2 |
| 2010s | 10 | -17% | 0.3 |
| 2020s | 12 | +14% | 1.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 12 to 12. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.0 a year in 2016–19, 1.2 a year in 2020–24.
Nearby places
Questions fleets ask about Grand Marsh
How many truck crashes happen in Grand Marsh?
126 truck crashes have been reported in Adams County since 2015, with 9 deaths and 67 injuries.
What is the worst month for truck crashes in Grand Marsh?
Truck crashes in Adams County peak in September, with 15.1% of the year's crashes.
Are garbage truck crashes common in Grand Marsh?
Garbage trucks were involved in 5 reported crashes in Adams County since 2015 (4.0% of truck crashes).
How do truck crashes in Grand Marsh compare with Wisconsin?
Per 100,000 residents, Adams County has 51.9 truck crashes a year; Wisconsin has 42.6.
How can I plan a safer truck route in Grand Marsh?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.