Carrierintel
IC

INTERWEST CONSTRUCTION INC

Carrierintel Safety Score: 74/100. 20 inspection violations in 12 months. Last inspected Oct 2026.

DOT 1748840ActiveIntrastate HazmatBURLINGTON, WA

COMPANY

Authority since
—
MCS-150
2024-04-22 · 2,005,000 mi (2026)
Fleet
145 units · 78 trailers · 192 drivers
Annual mileage (VMT)
2,005,000 mi (2026)

ADDRESS

Physical
609 N HILL BLVD
BURLINGTON, WA 98233-4600
Mailing
Same as physical

CONTACT

Phone
3607577574
Email
hr@interwest.biz

OFFICERS

Primary Officer
ROY SWIHART
Title
VICE PRESIDENTGM

OPERATION & CARGO

Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
4
Building MaterialsMachinery, Large ObjectsConstructionOther: ROCK, DIRT, CONCRETE
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
223 mo
Since USDOT registration
INSURANCE
Verification needed
No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
1 risk factors · 2 strengths
OOS RATE
17.9%
14 / 78 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

74
out of 100
Good
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
145 power units
Unique power units seen
22
+ 10 trailer VINs
Inspections
24
Discrepancy
0.2x

Minimal Risk

1 risk factor · 2 strengths · 5 data points

SAFETY PERFORMANCE

Crash Record
19 crashes · 2 fatal · 4 with injuries · 18 tow-away
Clean Inspection Rate
82% — 64 clean of 78 inspections
Out-of-Service Rate
17.9% — driver OOS 6 insp., vehicle OOS 10 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2024-04-22

INSURANCE

Active Coverage
Verification needed — No federal insurance filing found. Whether this carrier must file one is unclear from its registration; verify coverage through state records or the insurer.

SUMMARY

Elevated OOS rate 16% (last 24 mo)
Low crash rate (0.7 per 100 trucks/yr)
82% clean inspections

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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