CLAMSHELL STRUCTURES INC
Risk Assessment
Authority Status Inactive
Operating authority status needs a closer look.
Established Carrier
33 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 CLAMSHELL STRUCTURES 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.
FAQ · CLAMSHELL STRUCTURES INC
Is CLAMSHELL STRUCTURES INC a legitimate motor carrier?
CLAMSHELL STRUCTURES INC is registered with FMCSA under USDOT number 516487. Operating authority status is currently Inactive.
Where is CLAMSHELL STRUCTURES INC based?
CLAMSHELL STRUCTURES INC lists its physical address in VENTURA, CA in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 516487 active?
USDOT 516487 (CLAMSHELL STRUCTURES INC) operating authority status is currently Inactive. Data is sourced from live FMCSA federal records.
How many trucks does CLAMSHELL STRUCTURES INC operate?
CLAMSHELL STRUCTURES INC reports 1 power unit and employs 1 driver to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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