5 inspection violations in 12 months. 2 inspections in 12 months · Tucson, AZ · 27 trucks. Last inspected Aug 2026.
DOT 863130ActiveIntrastate Non-HazmatTUCSON, AZ
COMPANY
Authority since
—
MCS-150
2025-05-15 · 1,560,000 mi (2021)
Fleet
27 units · 39 trailers · 18 drivers
ADDRESS
Physical
8665 S ALVERNON WAY TUCSON, AZ 85756
Mailing
8665 SOUTH ALVERNON WAY TUCSON, AZ 85756
CONTACT
Phone
5208070558
Email
sierramining@live.com
OFFICERS
Primary Officer
DENZEL SPROUL
Title
SUPERINTENDENT
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
General Freight
Cargo types
2
General FreightOther: AGGREGATES
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
319 mo
Since USDOT registration
INSURANCE
Insurance not verified
Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
RISK GRADE
Elevated Risk
2 risk factors · 1 strengths
OOS RATE
31.3%
5 / 16 inspections
Carrierintel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
85
out of 100
Excellent
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections