Spencer, ID truck route planning & crash data
Plan safer truck routes in Spencer: commercial truck and garbage truck crashes in Spencer and Clark County, dangerous roads, seasonality and route safety data for fleets. Patterns use Clark County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 60 truck crashes since 2015.
Deadliest roads
How Clark County compares with Idaho
Clark County against Idaho and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Clark County stands out
Full comparison
| Measure (2015–2025) | Clark County | Idaho | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 675.5 | 37.4 | 49.7 | 18.1× the state |
| Deaths per 100 crashes | 0.0 | 6.1 | 3.4 | 100% below the state |
| Injuries per crash | 0.39 | 0.55 | 0.49 | 29% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 40.7% | 16.0% | 6.2% | 2.5× the state |
| Morning rush (6–10 am) | 17.0% | 23.0% | 23.7% | 26% below the state |
| In rain, sleet or snow | 20.3% | 10.2% | 13.8% | 2.0× the state |
| Winter months (Nov–Mar) | 47.5% | 40.9% | 41.9% | 1.2× the state |
| After dark | 44.1% | 22.8% | 24.8% | 1.9× the state |
Compared with Idaho, Clark County is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. It stands out for higher crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
Clark County at a glance: 40.7% on snowy, slushy or icy roads, against 16.0% across Idaho.
Overview
Since 2015, 60 crashes involving commercial trucks have been reported in Clark County. They injured 24 people and killed 0.
Across the years with complete reporting, that is roughly one truck crash every 68 days.
Spencer had 37 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Clark County numbers.
When crashes happen
January has the most truck crashes, 16.7% of the yearly total, while March has the fewest (1.7%).
Winter months (Nov–Mar) carry 47.5% of truck crashes, vs 40.9% for Idaho.
The busiest hour is 2–3 pm, with 10.0% of truck crashes.
Snow, slush or ice was on the road in 40.7% of truck crashes, compared with 16.0% in Idaho.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Spencer since 2015: I-15 (1). No single road stands out.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Clark County.
Route planning tips for Spencer fleets
- Review driver schedules for January, the month with the most truck crashes.
- 40.7% of truck crashes were on snow, slush or ice, above Idaho; plan winter equipment checks before the season.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Clark County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-15 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Clark County) |
|---|---|
| I-15 | 41 |
| Sh 22 | 7 |
| Sh 28 | 4 |
| I 15 Ic 184 Sb Off Ramp | 2 |
| 1 15/I 84 Off Ramp - Construction Diversion | 1 |
| Clark County A 2 Rd | 1 |
| Cottonwood Creek | 1 |
| I 15 Ic 167 On Ramp | 1 |
Spencer at a glance
| Population | 31 |
| Land area | 1.1 sq mi |
| Density | 27 per sq mi |
| Median household income (ZIP 83446) | $74,688 |
Historical data: truck crashes in Clark 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 | — | 0.1 |
| 2000s | 4 | -28% | 0.1 |
| 2010s | 4 | -2% | 0.3 |
| 2020s | 5 | +33% | 0.0 |
In the 1990s about 6 truck crashes a year were reported; in the 2020s, about 5. Reporting coverage also changed between these periods. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.0 a year in 2020–24.
Nearby places
Questions fleets ask about Spencer
How many truck crashes happen in Spencer?
Since 2015, 60 crashes involving commercial trucks were reported in Clark County (24 injured, 0 killed).
Which month has the most truck crashes in Spencer?
The worst month is January: 16.7% of truck crashes in Clark County happen then.
How many garbage truck accidents happen in Spencer?
Garbage trucks were involved in 0 reported crashes in Clark County since 2015 (0.0% of truck crashes).
What is the truck crash rate in Spencer compared with Idaho?
Per 100,000 residents, Clark County has 675.5 truck crashes a year; Idaho has 37.4.
What is the best way to plan truck routes in Spencer?
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.