Fleet typeIdentity
Small fleet
8 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 445350 · MC-18036 · Updated Jun 13, 2026
INTERSTATE BLOCK CO INC
8 power unitsWINCHESTER, TN40/100
CARRIER INACTIVEMC-18036 INACTIVE
Observed fleet · trailing 24 mo daily
8Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision · FMCSA snapshot · Jun 13, 2026
High risk
Multiple serious issues on the federal record. Verify directly before any tender.
Insurance on fileEstablished 35 yearsUSDOT registration inactive
Watch · 4
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No active operating authorityNo active common, contract, or broker authority is on file for a for-hire carrier.No inspection history despite active fleetAn established carrier reporting 8 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 4.8 years old; fleet/mileage figures may be unreliable.
USDOT registration3535 yr registered
No active authorityInsurance (BIPD)$1M in force
FMCSA L&IVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal00
No activity in windowVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
35 yr unchanged
Same registration since 1991 — no chameleon / reincarnation signal.
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Verification summary
INTERSTATE BLOCK CO INC (USDOT 445350) has a Vektor safety score of 40/100 and a High risk verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.
The carrier has no active for-hire operating authority per FMCSA L&I as of Jun 13, 2026.
It has an active BIPD insurance filing with a $1,000,000 limit in force from PENNSYLVANIA NATIONAL MUTUAL CAS. INS. CO. effective Oct 1, 2019 in FMCSA L&I's current snapshot as of Jun 13, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.
It reports 8 power units and 8 drivers in its most recent MCS-150 filing dated Oct 8, 2021.
It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.
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Frequently asked
What is INTERSTATE BLOCK CO INC's USDOT number?
INTERSTATE BLOCK CO INC's USDOT number is 445350, and its motor carrier number is MC-18036.
Is INTERSTATE BLOCK CO INC authorized to operate?
As of Jun 13, 2026, INTERSTATE BLOCK CO INC is inactive in the FMCSA register with common, contract, broker operating authority on file.
How big is INTERSTATE BLOCK CO INC's fleet?
INTERSTATE BLOCK CO INC operates 8 power units and 8 drivers per its most recent MCS-150 filing.
Where is INTERSTATE BLOCK CO INC based?
INTERSTATE BLOCK CO INC is based in WINCHESTER, TN.
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