Bruening Rock Products Inc
USDOT 321487 · MC-850452 · Decorah, Iowa · Interstate for-hire carrier · 100–249 power units
Bruening Rock Products Inc is a corporation based in Decorah, Iowa, registered with the FMCSA as an interstate carrier (private property, authorized for hire). It reports 136 power units and 65 drivers, which ranks it #47 by fleet size among 165 active for-hire carriers with 50+ power units headquartered in Iowa. In the 24 months to Sep 24, 2026 its trucks were inspected 15 times – about 0.1 inspections per power unit. 25.0% of vehicle inspections and 6.7% of driver inspections ended with an out-of-service order, against 18.8% and 2.6% 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 0.7 per 100 power units versus 4.5 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are motor vehicles, drive-away / towaway, building materials, machinery, large objects, liquids / gases, construction.
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Registration and contact
| Legal name | Bruening Rock Products Inc |
|---|---|
| DBA name | — |
| USDOT number | 321487 |
| Operating authority (docket) | MC-850452 |
| Entity type | Private Property, Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 900 Montgomery St, Decorah, IA 52101 |
| Phone | (563) 382-2933 |
| First registered | Jul 20, 1988 |
| Last MCS-150 update | Jul 22, 2026 |
| Hazmat carrier | No |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 321487.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 59 | 0 | 0 |
| Truck tractors | 8 | 0 | 0 |
| Trailers | 48 | 0 | 0 |
- 0.48 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 6.0 trailers per tractor – a drop-and-hook style trailer pool.
- 1,385,124 miles reported for 2025 – about 10,185 miles per power unit vs a 41,613 median for 100–249-unit fleets.
- 100% of listed equipment is owned rather than leased.
- 65 CDL drivers; 0 drivers operate interstate beyond 100 miles, 65 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 100–249-unit for-hire carriers nationally (2,611) and Iowa carriers with 50+ units (165).
| Measure | Bruening Rock Products Inc | Same size, US | IA average | |
|---|---|---|---|---|
| Small sample: fewer than 20 vehicle or driver inspections, so rates can swing a lot with one inspection. | ||||
| Vehicle out-of-service rate | 25.0% | 18.8% | 19.3% | 33% higher than average |
| Driver out-of-service rate | 6.7% | 2.6% | 1.3% | 156% higher than average |
| Crashes per 100 power units | 0.7 | 4.5 | 4.7 | 84% lower than average |
| Inspections | 15 | 15 with a driver check, 4 with a vehicle check, 19 BASIC violations recorded | ||
| FMCSA safety rating | Satisfactory (rated Oct 25, 2022) | |||
Cargo carried
Less common in this directory: drive-away / towaway (383 of 5,000 carriers); motor vehicles (873 of 5,000 carriers).
Similar carriers in Iowa
Closest fleet size and cargo mix among Iowa carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Skyline Materials Ltd USDOT 1844013 | Decorah | 120 | 109 | 31 | 33.3% | 3 |
| Norris Asphalt Paving Company LC USDOT 295636 | Ottumwa | 76 | 69 | 17 | 66.7% | 2 |
| Omg Midwest Inc USDOT 1718041 | Johnston | 88 | 81 | 20 | 50.0% | 3 |
| Schrader Excavating and Grading Company USDOT 1718149 | Walford | 72 | 18 | 11 | 42.9% | 0 |
| Van Wall Equipment Inc USDOT 227424 | Perry | 88 | 68 | 18 | 10.0% | 0 |
| Ay Trucking LLC USDOT 3706627 | Davenport | 122 | 118 | 363 | 23.1% | 18 |
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FAQ
What is the USDOT number of Bruening Rock Products Inc?
Bruening Rock Products Inc is registered with USDOT number 321487 and operating authority MC-850452.
How many trucks does Bruening Rock Products Inc have?
It reports 136 power units (8 tractors, 59 straight trucks) and 48 trailers, with 65 drivers, on its last MCS-150 update (Jul 22, 2026).
Where is Bruening Rock Products Inc located?
Its registered physical address is in Decorah, Iowa 52101.
What is the out-of-service rate of Bruening Rock Products Inc?
Over 24 months, 25.0% of vehicle inspections and 6.7% of driver inspections resulted in an out-of-service order (same-size national average: 18.8% vehicle, 2.6% 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.