Bayou L'Ourse, LA truck route planning & crash data
Plan safer truck routes in Bayou L'Ourse: commercial truck and garbage truck crashes in Bayou L'Ourse and St. Mary Parish, dangerous roads, seasonality and route safety data for fleets. Patterns use St. Mary Parish numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 316 truck crashes since 2015.
Deadliest roads
How St. Mary Parish compares with Louisiana
St. Mary Parish against Louisiana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Mary Parish stands out
Full comparison
| Measure (2015–2025) | St. Mary Parish | Louisiana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 61.1 | 81.5 | 49.7 | 25% below the state |
| Deaths per 100 crashes | 4.5 | 3.0 | 3.4 | 1.5× the state |
| Injuries per crash | 0.90 | 0.77 | 0.49 | 1.2× the state |
| Garbage-truck share | 1.1% | 2.2% | 2.3% | 52% below the state |
| On snow, slush or ice | 1.1% | 0.8% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 25.9% | 23.6% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 10.5% | 10.5% | 13.8% | same |
| Winter months (Nov–Mar) | 37.4% | 40.3% | 41.9% | 7% below the state |
| After dark | 18.2% | 23.9% | 24.8% | 24% below the state |
Compared with Louisiana, St. Mary Parish is lower on crashes per 100k residents / yr, garbage-truck share and winter months (nov–mar). Where it is higher: deaths per 100 crashes, injuries per crash and on snow, slush or ice.
The headline for St. Mary Parish: 1 in 95 crashes involve a garbage truck (4 since 2015), vs 2.2% across Louisiana.
Overview
Since 2015, 316 crashes involving commercial trucks have been reported in St. Mary Parish. They injured 282 people and killed 14.
In complete reporting years that works out to about one truck crash every 13 days.
Only 0 truck crashes were reported in Bayou L'Ourse since 2015; patterns below come from St. Mary Parish as a whole.
When crashes happen
The worst month is September with 12.7% of truck crashes; the quietest is December at 4.4%.
The five winter months (November to March) hold 37.4% of truck crashes, against 40.3% across Louisiana.
By time of day, 9–10 am stands out with 8.2% of truck crashes.
Snow, slush or ice was on the road in 1.1% of truck crashes, compared with 0.8% in Louisiana.
Where crashes happen
Within this area, US-90 had the most fatal crashes involving a large truck since 2015 (2). It is followed by SR-182 (1), SR-20 (1) and SR-398 (1).
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 1.3%, compared with 2.2% in Louisiana.
Route planning tips for Bayou L'Ourse fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in St. Mary Parish.
- Look at alternatives to US-90 at busy times: it leads this area in fatal truck crashes.
- Morning starts matter: 25.9% of truck crashes fall between 6 and 10 am, higher than Louisiana.
- Icy and snowy roads show up in 1.1% of truck crashes here, more than Louisiana; schedule winter checks early.
- 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.
Crash reporting for 2023 is incomplete; those years are shown in grey and not used for rates.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in St. Mary Parish
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-90 | 2 |
| SR-182 | 1 |
| SR-20 | 1 |
| SR-398 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Mary Parish) |
|---|---|
| US-90 | 198 |
| La-182 | 33 |
| La-70 | 13 |
| La-317 | 9 |
| La-3211 | 5 |
| La-83 | 4 |
| Victor Ii | 3 |
| La-87 | 3 |
Bayou L'Ourse at a glance
| Land area | 2.7 sq mi |
| Median household income (ZIP 70380) | $54,595 |
| Median home value (ZIP 70380) | $132,584 |
Waste facilities and haulers nearby
Historical data: truck crashes in St. Mary Parish 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 | 18 | — | 2.0 |
| 2000s | 36 | +103% | 1.3 |
| 2010s | 37 | +3% | 1.1 |
| 2020s | 26 | -28% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 18 to 26. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Bayou L'Ourse
How common are truck crashes in Bayou L'Ourse?
St. Mary Parish has had 316 reported truck crashes since 2015, injuring 282 people and killing 14.
Which road has the most fatal truck crashes in Bayou L'Ourse?
NHTSA data shows US-90 with 2 fatal large-truck crashes within 10 miles of Bayou L'Ourse since 2015, the highest of any road.
Which month has the most truck crashes in Bayou L'Ourse?
September has the most truck crashes in St. Mary Parish, 12.7% of the yearly total.
How many garbage truck crashes are there in Bayou L'Ourse?
4 crashes involving garbage or refuse trucks have been reported in St. Mary Parish since 2015, 1.3% of all truck crashes.
How does Bayou L'Ourse compare with Louisiana for truck crashes?
Per 100,000 residents, St. Mary Parish has 61.1 truck crashes a year; Louisiana has 81.5.
What is the best way to plan truck routes in Bayou L'Ourse?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
Crash reporting to FMCSA was incomplete in 2023; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.