ZIP 29920 (Saint Helena Island, SC) truck route planning & crash data
Plan safer truck routes around ZIP 29920: commercial truck and garbage truck crashes here and in Beaufort 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
0.0 deaths per 100 garbage-truck crashes vs 3.1 for all trucks.
Deadliest roads
How Beaufort County compares with South Carolina
Beaufort County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Beaufort County stands out
Full comparison
| Measure (2015–2025) | Beaufort County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 21.9 | 61.6 | 49.7 | 64% below the state |
| Deaths per 100 crashes | 3.1 | 3.9 | 3.4 | 21% below the state |
| Injuries per crash | 0.76 | 0.64 | 0.49 | 1.2× the state |
| Garbage-truck share | 6.2% | 2.1% | 2.3% | 2.9× the state |
| On snow, slush or ice | 0.4% | 0.4% | 6.2% | same |
| Morning rush (6–10 am) | 28.7% | 24.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 6.8% | 11.4% | 13.8% | 40% below the state |
| Winter months (Nov–Mar) | 45.0% | 40.5% | 41.9% | 1.1× the state |
| After dark | 11.8% | 21.5% | 24.8% | 45% below the state |
Beaufort County has lower values than South Carolina for crashes per 100k residents / yr, deaths per 100 crashes and in rain, sleet or snow. Where it is higher: injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in Beaufort County: 1 in 16 crashes involve a garbage truck (30 since 2015), vs 2.1% across South Carolina.
Overview
Beaufort County has recorded 499 truck crashes since 2015, with 372 people injured and 16 killed.
In complete reporting years that works out to about one truck crash every 8 days.
When crashes happen
March has the most truck crashes, 10.6% of the yearly total, while May has the fewest (7.0%).
November through March accounts for 45.0% of truck crashes here, compared with 40.5% in South Carolina.
By time of day, 12–1 pm stands out with 10.0% of truck crashes.
0.4% of truck crashes here happened on snow, slush or ice, against 0.4% across South Carolina.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 29920 happened on US-21 (1); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 30 crashes, 6.0% of the total, against 2.1% across South Carolina.
The most garbage-truck crashes happen in April (17%).
Deaths per 100 garbage-truck crashes: 0.0, vs 3.1 for all truck crashes.
Route planning tips for ZIP 29920 fleets
- Build extra time into March routes: it has the most truck crashes here.
- Waste haulers: April is the peak month for garbage-truck crashes in Beaufort County.
- 28.7% of truck crashes happen between 6 and 10 am, above South Carolina; consider earlier or later starts where possible.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Beaufort County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-21 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Beaufort County) |
|---|---|
| Okatie Hwy | 26 |
| Fording Island Rd | 16 |
| Trask Pkwy | 15 |
| Sea Island Pkwy | 10 |
| Bluffton Pkwy | 8 |
| Charleston Hwy | 7 |
| Robert Smalls Pkwy | 5 |
| Bluffton Parkway | 4 |
ZIP 29920 at a glance
| Population | 10,606 |
| Density | 42 per sq mi |
| Median household income | $77,744 |
| Median home value | $296,478 |
| Home ownership | 90% |
Waste facilities and haulers nearby
Historical data: truck crashes in Beaufort 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 | 47 | — | 2.2 |
| 2000s | 43 | -9% | 1.6 |
| 2010s | 34 | -20% | 0.8 |
| 2020s | 48 | +40% | 1.4 |
In the 1990s about 47 truck crashes a year were reported; in the 2020s, about 48. Reporting coverage also changed between these periods. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 29920
How common are truck crashes in ZIP 29920?
499 truck crashes have been reported in Beaufort County since 2015, with 16 deaths and 372 injuries.
Which month has the most truck crashes in ZIP 29920?
Truck crashes in Beaufort County peak in March, with 10.6% of the year's crashes.
How many garbage truck accidents happen in ZIP 29920?
30 crashes involving garbage or refuse trucks have been reported in Beaufort County since 2015, 6.0% of all truck crashes.
What is the truck crash rate in ZIP 29920 compared with South Carolina?
Beaufort County records 21.9 truck crashes per 100,000 residents a year, against 61.6 across South Carolina.
What is the best way to plan truck routes in ZIP 29920?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.