ZIP 29821 (Clarks Hill, SC) truck route planning & crash data
Plan safer truck routes around ZIP 29821: commercial truck and garbage truck crashes here and in Edgefield 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 155 truck crashes since 2015.
Deadliest roads
How Edgefield County compares with South Carolina
Edgefield County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Edgefield County stands out
Full comparison
| Measure (2015–2025) | Edgefield County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 46.9 | 61.6 | 49.7 | 24% below the state |
| Deaths per 100 crashes | 6.6 | 3.9 | 3.4 | 1.7× the state |
| Injuries per crash | 0.66 | 0.64 | 0.49 | same |
| Garbage-truck share | 1.3% | 2.1% | 2.3% | 39% below the state |
| On snow, slush or ice | 0.0% | 0.4% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 29.6% | 24.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 11.8% | 11.4% | 13.8% | same |
| Winter months (Nov–Mar) | 42.1% | 40.5% | 41.9% | same |
| After dark | 21.1% | 21.5% | 24.8% | same |
Edgefield County has lower values than South Carolina for crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. Where it is higher: deaths per 100 crashes and morning rush (6–10 am).
Edgefield County at a glance: June worst month: 16.1% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 155 crashes involving commercial trucks have been reported in Edgefield County. They injured 102 people and killed 10.
That averages about one truck crash every 26 days in fully reported years.
When crashes happen
Truck crashes peak in June (16.1% of the year) and are lowest in September (3.2%).
November through March accounts for 42.1% of truck crashes here, compared with 40.5% in South Carolina.
By time of day, 9–10 am stands out with 9.7% of truck crashes.
Snow, slush or ice was on the road in 0.0% of truck crashes, compared with 0.4% in South Carolina.
Where crashes happen
Within this area, SR-28 had the most fatal crashes involving a large truck since 2015 (2). Next come CR-HARDY Mcmanus Road (1), SR-23 (1) and SR-34 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 1.3% of the total, against 2.1% across South Carolina.
Route planning tips for ZIP 29821 fleets
- Review driver schedules for June, the month with the most truck crashes.
- Look at alternatives to SR-28 at busy times: it leads this area in fatal truck crashes.
- The morning rush (6–10 am) holds 29.6% of truck crashes here, more than South Carolina; adjust start times where you can.
- 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 Edgefield County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-28 | 2 |
| CR-HARDY Mcmanus Road | 1 |
| SR-23 | 1 |
| SR-34 | 1 |
| US-221 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Edgefield County) |
|---|---|
| Edgefield Rd | 14 |
| Sweetwater Rd | 11 |
| Walker Rd | 8 |
| SR-121 | 7 |
| Augusta Rd | 3 |
| Bauskett St | 3 |
| Garrett Rd | 3 |
| W Five Notch Rd | 3 |
ZIP 29821 at a glance
| Population | 1,141 |
| Density | 8 per sq mi |
| Median household income | $81,000 |
| Home ownership | 94% |
Waste facilities and haulers nearby
Historical data: truck crashes in Edgefield 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 | 16 | — | 0.7 |
| 2000s | 15 | -3% | 1.0 |
| 2010s | 13 | -16% | 0.6 |
| 2020s | 14 | +12% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 16 to 14. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.5 a year in 2016–19, 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 29821
How common are truck crashes in ZIP 29821?
Since 2015, 155 crashes involving commercial trucks were reported in Edgefield County (102 injured, 10 killed).
What is the most dangerous road for trucks in ZIP 29821?
SR-28 had 2 fatal crashes involving a large truck within 10 miles of ZIP 29821 since 2015, more than any other road.
Which month has the most truck crashes in ZIP 29821?
The worst month is June: 16.1% of truck crashes in Edgefield County happen then.
How many garbage truck accidents happen in ZIP 29821?
Since 2015, Edgefield County has reported 2 garbage-truck crashes, or 1.3% of its truck crashes.
What is the truck crash rate in ZIP 29821 compared with South Carolina?
The yearly rate is 46.9 truck crashes per 100,000 residents in Edgefield County, vs 61.6 for South Carolina.
How can I plan a safer truck route in ZIP 29821?
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.