Hilmar-Irwin, CA truck route planning & crash data
Plan safer truck routes in Hilmar-Irwin: commercial truck and garbage truck crashes in Hilmar-Irwin and Merced County, dangerous roads, seasonality and route safety data for fleets. Patterns use Merced County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3.7 deaths per 100 garbage-truck crashes vs 4.4 for all trucks.
Deadliest roads
How Merced County compares with California
Merced County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Merced County stands out
Full comparison
| Measure (2015–2025) | Merced County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 86.4 | 33.2 | 49.7 | 2.6× the state |
| Deaths per 100 crashes | 4.4 | 3.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.39 | 0.44 | 0.49 | 11% below the state |
| Garbage-truck share | 1.0% | 1.6% | 2.3% | 41% below the state |
| On snow, slush or ice | 0.3% | 0.9% | 6.2% | 66% below the state |
| Morning rush (6–10 am) | 23.9% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 6.1% | 6.5% | 13.8% | same |
| Winter months (Nov–Mar) | 36.0% | 40.2% | 41.9% | 11% below the state |
| After dark | 31.8% | 29.1% | 24.8% | 1.1× the state |
Merced County sits below California on injuries per crash, garbage-truck share and on snow, slush or ice. It runs above California on crashes per 100k residents / yr, deaths per 100 crashes and after dark.
Hilmar-Irwin at a glance: SR-99 9 fatal truck crashes since 2015, more than any other road within 10 miles of Hilmar-Irwin.
Overview
Merced County has recorded 2,923 truck crashes since 2015, with 1,150 people injured and 124 killed.
In complete reporting years that works out to about 1 truck crash a day.
Only 0 truck crashes were reported in Hilmar-Irwin since 2015; patterns below come from Merced County as a whole.
When crashes happen
Truck crashes peak in August (12.4% of the year) and are lowest in February (6.4%).
The five winter months (November to March) hold 36.0% of truck crashes, against 40.2% across California.
By time of day, 7–8 am stands out with 7.1% of truck crashes.
0.3% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Within this area, SR-99 had the most fatal crashes involving a large truck since 2015 (9). Next come SR-165 (3), Bradbury Rd (2) and Lander Ave (2).
Garbage & waste trucks
Garbage trucks account for 27 of the truck crashes here, or 0.9%, compared with 1.6% in California.
The most garbage-truck crashes happen in March (19%).
Deaths per 100 garbage-truck crashes: 3.7, vs 4.4 for all truck crashes.
Route planning tips for Hilmar-Irwin fleets
- Review driver schedules for August, the month with the most truck crashes.
- Look at alternatives to SR-99 at busy times: it leads this area in fatal truck crashes.
- Waste haulers: March is the peak month for garbage-truck crashes in Merced County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Merced County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-99 | 9 |
| SR-165 | 3 |
| Bradbury Rd | 2 |
| Lander Ave | 2 |
| CR-ATWATER Jordan Rd | 1 |
| CR-EL Capitan Wy | 1 |
| Crows Landing Rd | 1 |
| East Harding Rd | 1 |
| Hills Ferry Rd | 1 |
| Mitchell Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Merced County) |
|---|---|
| Sr-99 S/B | 23 |
| I-5 | 18 |
| SR-165 | 13 |
| Sr-99 N/B | 12 |
| Rt152/Volta Rd | 8 |
| SR-152 | 7 |
| Sr-152 W/B | 7 |
| SR-59 | 6 |
Hilmar-Irwin at a glance
| Land area | 3.9 sq mi |
| Median household income (ZIP 95324) | $76,316 |
| Median home value (ZIP 95324) | $460,705 |
Waste facilities and haulers nearby
Historical data: truck crashes in Merced 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 | 2 | — | 7.2 |
| 2000s | 142 | +7025% | 8.8 |
| 2010s | 198 | +39% | 6.6 |
| 2020s | 268 | +36% | 9.2 |
Reported truck crashes averaged 2 a year in the 1990s and 268 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 8.2 a year in 2016–19 and 9.2 a year in 2020–24.
Nearby places
Questions fleets ask about Hilmar-Irwin
How common are truck crashes in Hilmar-Irwin?
2,923 truck crashes have been reported in Merced County since 2015, with 124 deaths and 1,150 injuries.
Where do fatal truck crashes happen most in Hilmar-Irwin?
NHTSA data shows SR-99 with 9 fatal large-truck crashes within 10 miles of Hilmar-Irwin since 2015, the highest of any road.
What is the worst month for truck crashes in Hilmar-Irwin?
The worst month is August: 12.4% of truck crashes in Merced County happen then.
How many garbage truck crashes are there in Hilmar-Irwin?
Since 2015, Merced County has reported 27 garbage-truck crashes, or 0.9% of its truck crashes.
How does Hilmar-Irwin compare with California for truck crashes?
Merced County records 86.4 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in Hilmar-Irwin?
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.