ZIP 99023 (Mica, WA) truck route planning & crash data
Plan safer truck routes around ZIP 99023: commercial truck and garbage truck crashes here and in Spokane 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
3.2 deaths per 100 garbage-truck crashes vs 3.7 for all trucks.
Deadliest roads
How Spokane County compares with Washington
Spokane County against Washington and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Spokane County stands out
Full comparison
| Measure (2015–2025) | Spokane County | Washington | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 18.1 | 25.8 | 49.7 | 30% below the state |
| Deaths per 100 crashes | 3.7 | 3.4 | 3.4 | 1.1× the state |
| Injuries per crash | 0.17 | 0.18 | 0.49 | same |
| Garbage-truck share | 2.8% | 2.2% | 2.3% | 1.3× the state |
| On snow, slush or ice | 17.7% | 9.7% | 6.2% | 1.8× the state |
| Morning rush (6–10 am) | 29.8% | 24.8% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 17.0% | 20.2% | 13.8% | 16% below the state |
| Winter months (Nov–Mar) | 45.9% | 43.8% | 41.9% | same |
| After dark | 21.0% | 25.2% | 24.8% | 16% below the state |
Compared with Washington, Spokane County is lower on crashes per 100k residents / yr, in rain, sleet or snow and after dark. It stands out for higher deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
What stands out in Spokane County: 17.7% share of truck crashes on snow, slush or ice (Washington: 9.7%).
Overview
Spokane County has recorded 1,167 truck crashes since 2015, with 200 people injured and 41 killed.
Across the years with complete reporting, that is roughly one truck crash every 4 days.
When crashes happen
December has the most truck crashes, 11.3% of the yearly total, while April has the fewest (6.3%).
November through March accounts for 45.9% of truck crashes here, compared with 43.8% in Washington.
More truck crashes happen at 8–9 am than at any other hour (8.6%).
17.7% of truck crashes here happened on snow, slush or ice, against 9.7% across Washington.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 99023 is SR-290, with 5 fatal large-truck crashes since 2015. It is followed by I-90 (1) and SR-27 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 34 crashes, 2.9% of the total, against 2.2% across Washington.
Their busiest month is January, with 18% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 3.2 deaths compared with 3.7 for all trucks.
Route planning tips for ZIP 99023 fleets
- Build extra time into December routes: it has the most truck crashes here.
- Look at alternatives to SR-290 at busy times: it leads this area in fatal truck crashes.
- Waste haulers: January is the peak month for garbage-truck crashes in Spokane County.
- The morning rush (6–10 am) holds 29.8% of truck crashes here, more than Washington; adjust start times where you can.
- Icy and snowy roads show up in 17.7% of truck crashes here, more than Washington; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Spokane County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-290 | 5 |
| I-90 | 1 |
| SR-27 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Spokane County) |
|---|---|
| S Stevens St Blk 100 | 6 |
| Altamont/Main | 4 |
| Trent | 4 |
| E Broadway Ave/N Thierman Rd | 3 |
| I 90 Mp 270.00 | 3 |
| S Stevens Blk 100 | 3 |
| Sr-2*276.22 | 3 |
| Sr-290*005.81 | 3 |
ZIP 99023 at a glance
| Population | 800 |
| Density | 17 per sq mi |
| Median household income | $114,298 |
| Median home value | $735,359 |
| Home ownership | 100% |
Waste facilities and haulers nearby
Historical data: truck crashes in Spokane 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 | 48 | — | 3.1 |
| 2000s | 66 | +39% | 2.0 |
| 2010s | 83 | +24% | 2.5 |
| 2020s | 110 | +33% | 5.0 |
Reported truck crashes averaged 48 a year in the 1990s and 110 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 3.0 a year in 2016–19 and 5.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 99023
How many truck accidents are there in ZIP 99023?
1,167 truck crashes have been reported in Spokane County since 2015, with 41 deaths and 200 injuries.
What is the most dangerous road for trucks in ZIP 99023?
SR-290 had 5 fatal crashes involving a large truck within 10 miles of ZIP 99023 since 2015, more than any other road.
Which month has the most truck crashes in ZIP 99023?
Truck crashes in Spokane County peak in December, with 11.3% of the year's crashes.
How many garbage truck accidents happen in ZIP 99023?
Garbage trucks were involved in 34 reported crashes in Spokane County since 2015 (2.9% of truck crashes).
What is the truck crash rate in ZIP 99023 compared with Washington?
Spokane County records 18.1 truck crashes per 100,000 residents a year, against 25.8 across Washington.
How can I plan a safer truck route in ZIP 99023?
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.