TETRA TECH INC
Risk Assessment
Authority Active
Operating authority is currently active in FMCSA records.
Established Carrier
30 years of continuous operating authority.
Unrated
No DOT safety rating on file — common, not disqualifying on its own.
Generate a plain-English risk narrative for TETRA TECH INC — synthesizing authority, safety percentiles, crash recency, and chameleon signals into a broker-ready summary.
Full Report
Safety profile
All 7 FMCSA BASIC percentiles, inspections, and out-of-service rates.
Crash history
Individual crashes by date and severity, fleet-normalized.
Insurance & compliance
BI&PD + cargo coverage, carrier, effective dates, and gaps.
Authority & cross-reference
Revocation history + chameleon flags across 4.4M carriers.
Change history
3 recorded changes to TETRA TECH INC’s FMCSA record. Derived from monthly FMCSA Census snapshots.
20
to
6
22
to
13
Mar 22, 2025
to
Jan 12, 2026
FAQ · TETRA TECH INC
Is TETRA TECH INC a legitimate motor carrier?
TETRA TECH INC is registered with FMCSA under USDOT number 616131. Operating authority status is currently Active.
Where is TETRA TECH INC based?
TETRA TECH INC lists its physical address in PASADENA, CA in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 616131 active?
USDOT 616131 (TETRA TECH INC) operating authority status is currently Active. Last verified by MC Look Up on April 17, 2026. Data is sourced from live FMCSA federal records.
How many trucks does TETRA TECH INC operate?
TETRA TECH INC reports 6 power units and employs 13 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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