ZIP 95338 (Mariposa, CA) truck route planning & crash data
Plan safer truck routes around ZIP 95338: commercial truck and garbage truck crashes here and in Mariposa 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 55 truck crashes since 2015.
Deadliest roads
How Mariposa County compares with California
Mariposa County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Mariposa County stands out
Full comparison
| Measure (2015–2025) | Mariposa County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 26.7 | 33.2 | 49.7 | 20% below the state |
| Deaths per 100 crashes | 6.0 | 3.6 | 3.4 | 1.7× the state |
| Injuries per crash | 0.50 | 0.44 | 0.49 | 1.1× the state |
| Garbage-truck share | 6.0% | 1.6% | 2.3% | 3.7× the state |
| On snow, slush or ice | 6.0% | 0.9% | 6.2% | 6.5× the state |
| Morning rush (6–10 am) | 38.0% | 23.5% | 23.7% | 1.6× the state |
| In rain, sleet or snow | 6.0% | 6.5% | 13.8% | 8% below the state |
| Winter months (Nov–Mar) | 36.0% | 40.2% | 41.9% | 11% below the state |
| After dark | 16.0% | 29.1% | 24.8% | 45% below the state |
Mariposa County sits below California on crashes per 100k residents / yr, in rain, sleet or snow and winter months (nov–mar). It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
What stands out in Mariposa County: 6.0% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Since 2015, 55 crashes involving commercial trucks have been reported in Mariposa County. They injured 29 people and killed 3.
That averages about one truck crash every 80 days in fully reported years.
When crashes happen
The worst month is July with 14.5% of truck crashes; the quietest is February at 0.0%.
Winter months (Nov–Mar) carry 36.0% of truck crashes, vs 40.2% for California.
More truck crashes happen at 9–10 am than at any other hour (18.2%).
Snow, slush or ice was on the road in 6.0% of truck crashes, compared with 0.9% in California.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 95338 since 2015: SR-140 (1) and SR-49 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 5.5%, compared with 1.6% in California.
Route planning tips for ZIP 95338 fleets
- Build extra time into July routes: it has the most truck crashes here.
- Morning starts matter: 38.0% of truck crashes fall between 6 and 10 am, higher than California.
- 6.0% of truck crashes were on snow, slush or ice, above California; plan winter equipment checks before the season.
- 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 Mariposa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-140 | 1 |
| SR-49 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Mariposa County) |
|---|---|
| SR-140 | 3 |
| Rt49/255Ft S Of Stumpfield Mountain Rd | 2 |
| SR-49 | 2 |
| Bear Valley Rd/78Ft W Hunters Valley Rd | 1 |
| Greeley Hill Rd | 1 |
| Highway 140/450Ft W Martin Rd | 1 |
| Horseshoe Bend Rd/600Ft N Sr132 | 1 |
| Jerseydale Rd/.7M S Wild Dove Ln | 1 |
ZIP 95338 at a glance
| Population | 10,006 |
| Density | 11 per sq mi |
| Median household income | $67,485 |
| Median home value | $384,997 |
| Home ownership | 73% |
Waste facilities and haulers nearby
Historical data: truck crashes in Mariposa 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 | — | — | 0.2 |
| 2000s | 5 | — | 0.1 |
| 2010s | 3 | -34% | 0.5 |
| 2020s | 5 | +52% | 0.2 |
From the 2000s to the 2020s, yearly reported truck crashes went from 5 to 5. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.8 a year in 2016–19, 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 95338
How common are truck crashes in ZIP 95338?
55 truck crashes have been reported in Mariposa County since 2015, with 3 deaths and 29 injuries.
When do most truck crashes happen in ZIP 95338?
The worst month is July: 14.5% of truck crashes in Mariposa County happen then.
How many garbage truck crashes are there in ZIP 95338?
Since 2015, Mariposa County has reported 3 garbage-truck crashes, or 5.5% of its truck crashes.
How do truck crashes in ZIP 95338 compare with California?
Mariposa County records 26.7 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in ZIP 95338?
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.