Glenham, SD truck route planning & crash data
Plan safer truck routes in Glenham: commercial truck and garbage truck crashes in Glenham and Walworth County, dangerous roads, seasonality and route safety data for fleets. Patterns use Walworth County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 27 truck crashes since 2015.
Deadliest roads
How Walworth County compares with South Dakota
Walworth County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Walworth County stands out
Full comparison
| Measure (2015–2025) | Walworth County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 43.1 | 42.0 | 49.7 | same |
| Deaths per 100 crashes | 12.0 | 5.2 | 3.4 | 2.3× the state |
| Injuries per crash | 0.04 | 0.13 | 0.49 | 69% below the state |
| Garbage-truck share | 4.0% | 1.6% | 2.3% | 2.5× the state |
| On snow, slush or ice | 20.0% | 28.6% | 6.2% | 30% below the state |
| Morning rush (6–10 am) | 24.0% | 22.2% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 0.0% | 17.5% | 13.8% | 100% below the state |
| Winter months (Nov–Mar) | 40.0% | 48.8% | 41.9% | 18% below the state |
| After dark | 16.0% | 22.8% | 24.8% | 30% below the state |
Compared with South Dakota, Walworth County is lower on injuries per crash, on snow, slush or ice and in rain, sleet or snow. Where it is higher: deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
Walworth County at a glance: 1 in 25 garbage-truck share of crashes is 4.0%, against 1.6% for South Dakota.
Overview
Walworth County has recorded 27 truck crashes since 2015, with 1 people injured and 3 killed.
That averages about one truck crash every 161 days in fully reported years.
Only 0 truck crashes were reported in Glenham since 2015; patterns below come from Walworth County as a whole.
When crashes happen
The worst month is March with 18.5% of truck crashes; the quietest is January at 0.0%.
November through March accounts for 40.0% of truck crashes here, compared with 48.8% in South Dakota.
More truck crashes happen at 3–4 pm than at any other hour (14.8%).
Snow, slush or ice was on the road in 20.0% of truck crashes, compared with 28.6% in South Dakota.
Where crashes happen
Fatal large-truck crashes within 10 miles of Glenham since 2015 were spread across roads: US-12 (1).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 3.7%, compared with 1.6% in South Dakota.
Route planning tips for Glenham fleets
- Plan March schedules with more margin; it is the worst month for truck crashes in Walworth County.
- Morning starts matter: 24.0% of truck crashes fall between 6 and 10 am, higher than South Dakota.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Walworth County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-12 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Walworth County) |
|---|---|
| US-12 | 15 |
| US-83 | 5 |
| Sd Hwy 47 | 2 |
| Ave | 1 |
| Highway | 1 |
| Sd Hwy 144 | 1 |
| Sd Hwy 1804 | 1 |
Glenham at a glance
| Population | 107 |
| Land area | 0.3 sq mi |
| Density | 327 per sq mi |
| Median household income (ZIP 57631) | $56,827 |
Waste facilities and haulers nearby
Historical data: truck crashes in Walworth 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 | 3 | — | 0.0 |
| 2000s | 3 | -12% | 0.4 |
| 2010s | 2 | -17% | 0.3 |
| 2020s | 2 | -7% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 3 to 2. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Glenham
How common are truck crashes in Glenham?
Walworth County has had 27 reported truck crashes since 2015, injuring 1 people and killing 3.
What is the worst month for truck crashes in Glenham?
March has the most truck crashes in Walworth County, 18.5% of the yearly total.
How many garbage truck crashes are there in Glenham?
1 crash involving garbage or refuse trucks have been reported in Walworth County since 2015, 3.7% of all truck crashes.
How does Glenham compare with South Dakota for truck crashes?
Walworth County records 43.1 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How do I plan a garbage truck route in Glenham?
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.