ZIP 57744 (Hermosa, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57744: commercial truck and garbage truck crashes here and in Custer 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
3 of 61 truck crashes since 2015.
Deadliest roads
How Custer County compares with South Dakota
Custer County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Custer County stands out
Full comparison
| Measure (2015–2025) | Custer County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 57.5 | 42.0 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 6.8 | 5.2 | 3.4 | 1.3× the state |
| Injuries per crash | 0.05 | 0.13 | 0.49 | 62% below the state |
| Garbage-truck share | 5.1% | 1.6% | 2.3% | 3.2× the state |
| On snow, slush or ice | 23.7% | 28.6% | 6.2% | 17% below the state |
| Morning rush (6–10 am) | 22.0% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 13.6% | 17.5% | 13.8% | 23% below the state |
| Winter months (Nov–Mar) | 40.7% | 48.8% | 41.9% | 17% below the state |
| After dark | 18.6% | 22.8% | 24.8% | 18% below the state |
Compared with South Dakota, Custer County is lower on injuries per crash, on snow, slush or ice and in rain, sleet or snow. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and garbage-truck share.
Custer County at a glance: 1 in 20 garbage-truck share of crashes is 5.1%, against 1.6% for South Dakota.
Overview
Police reported 61 crashes involving commercial trucks in Custer County since 2015: 3 people were injured and 4 were killed.
In complete reporting years that works out to about one truck crash every 68 days.
When crashes happen
Truck crashes peak in June (16.4% of the year) and are lowest in October (3.3%).
Winter months (Nov–Mar) carry 40.7% of truck crashes, vs 48.8% for South Dakota.
By time of day, 1–2 pm stands out with 13.1% of truck crashes.
Snow, slush or ice was on the road in 23.7% of truck crashes, compared with 28.6% in South Dakota.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 57744 since 2015: SR-79 (1). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 4.9% of the total, against 1.6% across South Dakota.
Route planning tips for ZIP 57744 fleets
- Build extra time into June routes: it has the most truck crashes here.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Custer County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-79 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Custer County) |
|---|---|
| Sd Hwy 79 | 38 |
| US-16 | 5 |
| US-385 | 4 |
| 7-11 Rd | 2 |
| Sd Hwy 89 | 2 |
| 2Nd St | 1 |
| Bender Ridge Rd | 1 |
| French Creek Rd | 1 |
ZIP 57744 at a glance
| Population | 2,421 |
| Density | 2 per sq mi |
| Median household income | $106,250 |
| Median home value | $379,348 |
| Home ownership | 91% |
Waste facilities and haulers nearby
Historical data: truck crashes in Custer 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 | 4 | — | 0.4 |
| 2000s | 4 | -4% | 0.1 |
| 2010s | 4 | -12% | 0.2 |
| 2020s | 7 | +85% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 4 to 7. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57744
How many truck crashes happen in ZIP 57744?
Custer County has had 61 reported truck crashes since 2015, injuring 3 people and killing 4.
Which month has the most truck crashes in ZIP 57744?
Truck crashes in Custer County peak in June, with 16.4% of the year's crashes.
How many garbage truck crashes are there in ZIP 57744?
Since 2015, Custer County has reported 3 garbage-truck crashes, or 4.9% of its truck crashes.
How do truck crashes in ZIP 57744 compare with South Dakota?
Per 100,000 residents, Custer County has 57.5 truck crashes a year; South Dakota has 42.0.
How can I plan a safer truck route in ZIP 57744?
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.