GRAND RAPIDS GRAVEL CO
DBA KALKMAN REDI MIX PORT CITY REDI MIX
See what’s behind this grade
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- Expected crashes over the next 12 months, against similar fleets
- What drives the grade: crash history and roadside record
- Worth a closer look: the flags to ask about, with the questions
- How it compares with similar fleets, per power unit and per mile
- Cargo risk, and news reports linked to its crashes
- How the grade is calculated, and its history week by week
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Fleet, registration and cargo
Fleet and equipment
- Power units
- 60 all owned
- Drivers · CDL
- 45 · 45
- Annual miles
- 800k unreliable
| Type | Own | Term | Trip | Total |
|---|---|---|---|---|
| Trucks | 55 | 0 | 0 | 55 |
| Tractors | 5 | 0 | 0 | 5 |
| Trailers | 0 | 0 | 0 | 0 |
Registration
- Operation
- Intrastate (non-hazmat)
- Authority type
- Authorized For-Hire
- Registered
- Mar 21, 2005 (21 yrs)
- MCS-150 update
- Feb 24, 2025
- Officers
- DALLAS MUMAH · JAMES DYKEMA
- Phone
- (616) 538-9000
- dmumah@grgravel.com
- Address
- 2700 28Th St Sw, Wyoming MI 49519
Cargo
“General Freight” is a catch-all; the actual cargo mix and its risk may differ.
FMCSA status today
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Roadside and crash record
FMCSA record, May 2025 – Nov 2025Violations
9 on the FMCSA record, May 2025 – Nov 2025-
Vehicle maintenance No alert4 · 2 out-of-serviceBrakes 3 · Other parts 1
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Unsafe driving No alert3 · 0 out-of-serviceReckless / lane 2 · Phone use 1
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Driver fitness No alert2 · 2 out-of-serviceNo valid CDL 2
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Hours of service No alert0
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Drugs & alcohol No alert0
Violations by quarter
Tap a category to show or hide itCrashes
FMCSA record, May 2025 – Nov 2025 · crash reports through Sep 15, 2026-
Jul142026Jul 14, 2026 · MichiganProperty damage onlyDaylight, two-way trafficway divided unprotected median.
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Sep162025Sep 16, 2025 · MichiganInjury · 1 person hurtDaylight, one-way trafficway not divided. Citation issued.
1 of the 2 crashes hurt someone but killed no one.
Insurance filed with FMCSA
The live FMCSA check isn't on hand; see FMCSA status today.
No MC, FF or MX docket on FMCSA's registration for this motor carrier, so there are no insurance filings to show. FMCSA collects filings only from registered for-hire authorities; other motor carriers keep proof of insurance (MCS-90) at their place of business.
FMCSA filings only, not a policy audit. Not part of the FRED grade. Wrong or out of date?
Where it operates
Map: inspections and crashes from FMCSA's weekly files over 24 months.
- Michigan (HQ) 2
FMCSA records
BASIC measures and every inspection, violation and crash, sortable and filterable.
| BASIC | Inspections with violations | Measure | Alert |
|---|---|---|---|
| Vehicle maintenance | 1 | 14.00 | No alert |
| Unsafe driving | 2 | 0.41 | No alert |
| Driver fitness | 1 | 8.66 | No alert |
| Hours of service | 0 | 0.00 | No alert |
| Drugs & alcohol | 0 | 0.00 | No alert |
2 driver inspections · 1 vehicle inspection
These records come from FMCSA's Safety Measurement System, May 2025 – Nov 2025; the grade counts crashes Oct 1, 2023 – Sep 30, 2026 and inspections Nov 1, 2024 – Oct 31, 2026 from FMCSA's weekly files, so counts can differ.
FMCSA's SMS profile →