Jensen Rock & Sand Inc
USDOT 12780 · MC-1020958 · Mobridge, South Dakota · Interstate for-hire carrier · 50–99 power units
Jensen Rock & Sand Inc is a corporation based in Mobridge, South Dakota, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 93 power units and 68 drivers, which ranks it #16 by fleet size among 35 active for-hire carriers with 50+ power units headquartered in South Dakota. In the 24 months to Sep 24, 2026 its trucks were inspected 17 times – about 0.2 inspections per power unit. 22.2% of vehicle inspections and 0.0% of driver inspections ended with an out-of-service order, against 20.5% and 3.3% for carriers of the same size nationally. FMCSA records 1 reportable crash in the last 24 months (0 injuries, 0 fatalities, 1 tow-away), or 1.1 per 100 power units versus 4.8 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, building materials, machinery, large objects, construction.
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Registration and contact
| Legal name | Jensen Rock & Sand Inc |
|---|---|
| DBA name | — |
| USDOT number | 12780 |
| Operating authority (docket) | MC-1020958 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 12802 287Th Ave, Mobridge, SD 57601 |
| Phone | (605) 845-7213 |
| First registered | Jun 1, 1974 |
| Last MCS-150 update | Aug 5, 2024 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 12780.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 69 | 0 | 0 |
| Truck tractors | 24 | 0 | 0 |
| Trailers | 72 | 0 | 0 |
- 0.73 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 3.0 trailers per tractor – a drop-and-hook style trailer pool.
- 100% of listed equipment is owned rather than leased.
- 68 CDL drivers; 0 drivers operate interstate beyond 100 miles, 8 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 50–99-unit for-hire carriers nationally (5,500) and South Dakota carriers with 50+ units (35).
| Measure | Jensen Rock & Sand Inc | Same size, US | SD average | |
|---|---|---|---|---|
| Small sample: fewer than 20 vehicle or driver inspections, so rates can swing a lot with one inspection. | ||||
| Vehicle out-of-service rate | 22.2% | 20.5% | 18.6% | about average |
| Driver out-of-service rate | 0.0% | 3.3% | 1.1% | none recorded |
| Crashes per 100 power units | 1.1 | 4.8 | 3.4 | 77% lower than average |
| Inspections | 17 | 17 with a driver check, 9 with a vehicle check, 24 BASIC violations recorded | ||
| FMCSA safety rating | Not rated – most carriers have never had a compliance review; this is not a negative finding. | |||
Cargo carried
Similar carriers in South Dakota
Closest fleet size and cargo mix among South Dakota carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| T Brothers Trucking LLC USDOT 821186 | Sioux Falls | 98 | 95 | 272 | 32.5% | 10 |
| Dakota Carriers Inc USDOT 492947 | Sioux Falls | 85 | 85 | 230 | 8.9% | 9 |
| Pete Lien & Sons Inc USDOT 198034 | Rapid City | 192 | 134 | 22 | 16.7% | 3 |
| Silchuk Transport LLC USDOT 2072826 | Sioux Falls | 100 | 77 | 157 | 17.2% | 3 |
| Windwalker Transportation Inc USDOT 928809 | Sioux Falls | 81 | 75 | 228 | 29.3% | 16 |
| K & J Trucking Inc USDOT 171766 | Sioux Falls | 132 | 149 | 357 | 13.7% | 12 |
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FAQ
What is the USDOT number of Jensen Rock & Sand Inc?
Jensen Rock & Sand Inc is registered with USDOT number 12780 and operating authority MC-1020958.
How many trucks does Jensen Rock & Sand Inc have?
It reports 93 power units (24 tractors, 69 straight trucks) and 72 trailers, with 68 drivers, on its last MCS-150 update (Aug 5, 2024).
Where is Jensen Rock & Sand Inc located?
Its registered physical address is in Mobridge, South Dakota 57601.
What is the out-of-service rate of Jensen Rock & Sand Inc?
Over 24 months, 22.2% of vehicle inspections and 0.0% of driver inspections resulted in an out-of-service order (same-size national average: 20.5% vehicle, 3.3% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.