BLACK HILLS TRENCHING & BORING LLC
AUTHORIZEDUSDOT
4004854
MC Number
N/A
Fleet Size
10
Total Drivers
14
Last updated: March 16, 2026
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Safety overview
BLACK HILLS TRENCHING & BORING LLC is a small interstate motor carrier based in SPEARFISH, South Dakota, operating 10 power units with 14 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 62.5% runs above the national average of 5.51%. No crashes on file. FMCSA records show 8 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in South Dakota is 7.6% and the average vehicle OOS rate is 29.8% across 6,099 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
8
Total
53%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
0
Total Crashes
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Frequently asked questions
Is BLACK HILLS TRENCHING & BORING LLC authorized to operate?
Yes. BLACK HILLS TRENCHING & BORING LLC (USDOT #4004854) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is BLACK HILLS TRENCHING & BORING LLC's safety record?
BLACK HILLS TRENCHING & BORING LLC has 8 inspections on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does BLACK HILLS TRENCHING & BORING LLC operate?
BLACK HILLS TRENCHING & BORING LLC operates 10 power units with 14 drivers on file. That makes them a small carrier.
Does BLACK HILLS TRENCHING & BORING LLC transport hazardous materials?
No. BLACK HILLS TRENCHING & BORING LLC does not have a hazardous materials flag in the FMCSA database.
Where is BLACK HILLS TRENCHING & BORING LLC located?
BLACK HILLS TRENCHING & BORING LLC is based in SPEARFISH, South Dakota at 606 FISH HATCHERY LOOP, 57783-8674. Phone: (605) 641-1584.
What are BLACK HILLS TRENCHING & BORING LLC's out-of-service rates?
BLACK HILLS TRENCHING & BORING LLC's driver out-of-service rate is 62.5%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues. Their vehicle out-of-service rate is 85.7% (national average: 20.72%). Above average, which may point to vehicle maintenance gaps.