ZIP 59625 (Helena, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59625: commercial truck and garbage truck crashes here and in Lewis and Clark 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
2 of 228 truck crashes since 2015.
Deadliest roads
How Lewis and Clark County compares with Montana
Lewis and Clark County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lewis and Clark County stands out
Full comparison
| Measure (2015–2025) | Lewis and Clark County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 24.9 | 64.3 | 49.7 | 61% below the state |
| Deaths per 100 crashes | 5.3 | 3.8 | 3.4 | 1.4× the state |
| Injuries per crash | 0.29 | 0.34 | 0.49 | 15% below the state |
| Garbage-truck share | 1.0% | 0.9% | 2.3% | same |
| On snow, slush or ice | 34.5% | 39.4% | 6.2% | 12% below the state |
| Morning rush (6–10 am) | 20.9% | 22.9% | 23.7% | 9% below the state |
| In rain, sleet or snow | 24.3% | 20.6% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 45.6% | 54.3% | 41.9% | 16% below the state |
| After dark | 20.9% | 30.8% | 24.8% | 32% below the state |
Lewis and Clark County sits below Montana on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. Where it is higher: deaths per 100 crashes and in rain, sleet or snow.
The headline for ZIP 59625: US-12 most fatal truck crashes within 10 miles of ZIP 59625: 3 since 2015.
Overview
Since 2015, 228 crashes involving commercial trucks have been reported in Lewis and Clark County. They injured 69 people and killed 12.
That averages about one truck crash every 19 days in fully reported years.
When crashes happen
October has the most truck crashes, 13.2% of the yearly total, while May has the fewest (3.9%).
November through March accounts for 45.6% of truck crashes here, compared with 54.3% in Montana.
More truck crashes happen at 1–2 pm than at any other hour (9.6%).
34.5% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
Within this area, US-12 had the most fatal crashes involving a large truck since 2015 (3). It is followed by Canyon Ferry Rd (1), I-15 (1) and N Rodney St (1).
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 0.9% share (Montana: 0.9%).
Route planning tips for ZIP 59625 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Lewis and Clark County.
- Look at alternatives to US-12 at busy times: it leads this area in fatal truck crashes.
- 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 Lewis and Clark County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-12 | 3 |
| Canyon Ferry Rd | 1 |
| I-15 | 1 |
| N Rodney St | 1 |
| Sr-Green Meadow Dr | 1 |
| Ssr-453 Lincoln Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Lewis and Clark County) |
|---|---|
| Mm 221.5 I-15 | 4 |
| Mm 213.0 I-15 | 3 |
| Mm221.6 I-15 | 2 |
| Canyon Ferry Rd\Custer Ave | 1 |
| E Us Highway 12 And Lola St | 1 |
| Mm 108.2 Mt Highway 200 | 1 |
| Mm 213.1 I-15 | 1 |
| Mm 213.1 I15 | 1 |
ZIP 59625 at a glance
| Population | 663 |
| Density | 2,827 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Lewis and 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 | — | — | 0.5 |
| 2000s | 18 | — | 0.5 |
| 2010s | 18 | +1% | 0.5 |
| 2020s | 18 | +0% | 1.2 |
In the 2000s about 18 truck crashes a year were reported; in the 2020s, about 18. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.8 a year in 2016–19, 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 59625
How many truck accidents are there in ZIP 59625?
Since 2015, 228 crashes involving commercial trucks were reported in Lewis and Clark County (69 injured, 12 killed).
What is the most dangerous road for trucks in ZIP 59625?
US-12 had 3 fatal crashes involving a large truck within 10 miles of ZIP 59625 since 2015, more than any other road.
When do most truck crashes happen in ZIP 59625?
The worst month is October: 13.2% of truck crashes in Lewis and Clark County happen then.
How many garbage truck accidents happen in ZIP 59625?
Since 2015, Lewis and Clark County has reported 2 garbage-truck crashes, or 0.9% of its truck crashes.
What is the truck crash rate in ZIP 59625 compared with Montana?
Lewis and Clark County records 24.9 truck crashes per 100,000 residents a year, against 64.3 across Montana.
How can I plan a safer truck route in ZIP 59625?
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.