ZIP 59640 (Marysville, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59640: 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
No fatal large-truck crashes with a road name recorded here since 2015.
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. It stands out for higher deaths per 100 crashes and in rain, sleet or snow.
What stands out in Lewis and Clark County: October the month with the most truck crashes: 13.2% of the year's total.
Overview
Police reported 228 crashes involving commercial trucks in Lewis and Clark County since 2015: 69 people were injured and 12 were killed.
In complete reporting years that works out to about one truck crash every 19 days.
When crashes happen
October has the most truck crashes, 13.2% of the yearly total, while May has the fewest (3.9%).
Winter months (Nov–Mar) carry 45.6% of truck crashes, vs 54.3% for Montana.
By time of day, 1–2 pm stands out with 9.6% of truck crashes.
34.5% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of ZIP 59640.
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 0.9%, compared with 0.9% in Montana.
Route planning tips for ZIP 59640 fleets
- Build extra time into October routes: it has the most truck crashes here.
- 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
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 (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 59640 at a glance
| Population | 160 |
| Density | 3 per sq mi |
| Median household income | $99,167 |
| Home ownership | 74% |
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 |
Reported truck crashes averaged 18 a year in the 2000s and 18 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 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 59640
How many truck crashes happen in ZIP 59640?
Lewis and Clark County has had 228 reported truck crashes since 2015, injuring 69 people and killing 12.
What is the worst month for truck crashes in ZIP 59640?
October has the most truck crashes in Lewis and Clark County, 13.2% of the yearly total.
Are garbage truck crashes common in ZIP 59640?
Garbage trucks were involved in 2 reported crashes in Lewis and Clark County since 2015 (0.9% of truck crashes).
How do truck crashes in ZIP 59640 compare with Montana?
The yearly rate is 24.9 truck crashes per 100,000 residents in Lewis and Clark County, vs 64.3 for Montana.
How can I plan a safer truck route in ZIP 59640?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.