R H HUMMER JR INC
USDOT 341659
Active, interstate carrier, mid-size fleet (27 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate12% vs 19.1% national avg
- Crashes (24 months)4 reported — involvement does not imply fault
- Linked registrations1 share this carrier's phone or address
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 341659 |
|---|---|
| MC Number | MC-171214 |
| Legal Name | R H HUMMER JR INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 3196688800 |
| Address | 2141 P AVENUE, Williamsburg, IA, 52361 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 19990208) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 84 / 100 |
|---|---|
| Hours-of-Service Compliance | 85 / 100 |
| Driver Fitness | 86 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 84 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 25 |
|---|---|
| Out-of-Service Rate | 12% vs 19.1% national average |
| Crashes | 4 total (0 fatal, 1 with injuries, 4 towaway) |
- 2026-04-16 — IA — 1 injured, towaway
- 2025-01-29 — IA — towaway
- 2024-12-19 — MN — towaway
- 2024-10-10 — MN — towaway
- 2023-09-13 — WI — 1 injured, towaway
Most frequent violation categories: 16 (11), 47 (8), 50 (7).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
1 other active carrier registration share this carrier's phone or address in FMCSA records.
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 27 |
|---|---|
| Drivers | 21 |
| Recent Annual Mileage | 1,290,000 |
| Last MCS-150 Filing | 21-AUG-25 |
R H HUMMER JR INC operates 27 power units — a larger fleet than 98% of carriers registered in IA.
Nearby
Other carriers in Williamsburg, IA
- DIEOMATIC TRUCKING INC — USDOT 171027, 35 power units
- WALTER CAMPBELL TRUCKING LLC — USDOT 111729, 7 power units
- HOLDEN'S FOUNDATION SEEDS LLC — USDOT 227417, 7 power units
- KINZE MANUFACTURING INC — USDOT 171822, 6 power units
- J & S FARM SUPPLY INC — USDOT 299087, 5 power units
Browse all carriers in Williamsburg, IA or all IA carriers.