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Carrier profile · USDOT 616131 · Updated 06/13/2026

TETRA TECH INC

6 power unitsavg 7.9 yrRegional · 7 statesPASADENA, CA
CARRIER ACTIVE
Verified linkstetratech.comFMCSA SAFERCallEmail
Observed fleet · trailing 24 mo daily
6Power units
6 observed · MCS-150
5Trailers seen
Decoded · vPIC
7.9Avg age (yr)
2006–2026 · vPIC
Call dispatch(801) 330-7967Email dispatchglen.alley@tetratech.com

Load decision · FMCSA snapshot · 2026-06-13

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Established 31 yearsNo reported crashesVehicle out-of-service rate well above average
Operating authority30 yr active
since 1995
Insurance (BIPD)Unknown
FMCSA L&I
Vehicle OOS · 24mo50.0%
▲ 22.26% nat'l
Crashes · fatal0
clean 24 mo
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet typeIdentity

Small fleet

6 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

7.9 yr

Model years 2006–2026 · peer benchmark computing.

Identity stabilityStable

30 yr unchanged

Same registration since 1995 — no chameleon / reincarnation signal.

AI readRegional operator, 30-yr authority, 50% vehicle OOS — review first.Full read

Is TETRA TECH INC safe to work with?

Is TETRA TECH INC safe to load? TETRA TECH INC (USDOT 616131) is an active small-fleet motor carrier based in PASADENA, CA, operating 6 power units and 13 drivers. Operating authority has been active 30 years (past the 24-month broker-confidence threshold). Across 14 roadside inspections, its vehicle out-of-service rate over the last 24 months is 50.0% (above the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it review before loading (80/100), with the leading concern: vehicle out-of-service rate well above average. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.

FMCSA fields + Vektor analysis · updated 2026-06-13
TTTETRA TECH INC 80
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Frequently asked

What is TETRA TECH INC's USDOT number?

TETRA TECH INC's USDOT number is 616131.

Is TETRA TECH INC authorized to operate?

As of 2026-06-13, TETRA TECH INC is active in the FMCSA register.

What is TETRA TECH INC's safety record?

TETRA TECH INC has a 50.0% vehicle out-of-service rate (national average 22.26%) across 14 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 80/100 (tier: review).

How big is TETRA TECH INC's fleet?

TETRA TECH INC operates 6 power units and 13 drivers per its most recent MCS-150 filing.

Where is TETRA TECH INC based?

TETRA TECH INC is based in PASADENA, CA, with roadside inspections recorded across 7 states.

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