Bear Valley, Mariposa County, CA truck route planning & crash data
Plan safer truck routes in Bear Valley, Mariposa County: commercial truck and garbage truck crashes in Bear Valley, Mariposa County and Mariposa County, dangerous roads, seasonality and route safety data for fleets. Patterns use Mariposa County numbers.
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
No fatal large-truck crashes with a road name recorded here since 2015.
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 has lower values than California for crashes per 100k residents / yr, in rain, sleet or snow and winter months (nov–mar). It runs above California on 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.
Across the years with complete reporting, that is roughly one truck crash every 80 days.
With 0 truck crashes reported in Bear Valley, Mariposa County since 2015, this page uses Mariposa County numbers for its patterns and comparisons.
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.
The busiest hour is 9–10 am, with 18.2% of truck crashes.
Snow, slush or ice was on the road in 6.0% of truck crashes, compared with 0.9% in California.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Bear Valley since 2015.
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 5.5% of the total, against 1.6% across California.
Route planning tips for Bear Valley, Mariposa County fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Mariposa County.
- The morning rush (6–10 am) holds 38.0% of truck crashes here, more than California; adjust start times where you can.
- 6.0% of truck crashes were on snow, slush or ice, above California; plan winter equipment checks before the season.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
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 |
Bear Valley, Mariposa County at a glance
| Land area | 2.4 sq mi |
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 |
Reported truck crashes averaged 5 a year in the 2000s and 5 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Bear Valley, Mariposa County
How common are truck crashes in Bear Valley, Mariposa County?
Mariposa County has had 55 reported truck crashes since 2015, injuring 29 people and killing 3.
When do most truck crashes happen in Bear Valley, Mariposa County?
July has the most truck crashes in Mariposa County, 14.5% of the yearly total.
Are garbage truck crashes common in Bear Valley, Mariposa County?
Garbage trucks were involved in 3 reported crashes in Mariposa County since 2015 (5.5% of truck crashes).
How do truck crashes in Bear Valley, Mariposa County compare with California?
Per 100,000 residents, Mariposa County has 26.7 truck crashes a year; California has 33.2.
What is the best way to plan truck routes in Bear Valley, Mariposa County?
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.