Carrier profile · USDOT 1748840 · Updated Jun 21, 2026

Interwest Construction Inc

141 power unitsavg 11.8 yrLocal · 1 statesBURLINGTON, WA71/100

AUTHORITY STATUS UNKNOWNHAZMAT

Observed fleet · trailing 24 mo daily

141Power units

36 observed · MCS-150

22Trailers seen

Decoded · vPIC

11.8Avg age (yr)

1998–2026 · vPIC

Call dispatch(360) 757-7574 Email dispatchhr@interwest.biz

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 21, 2026

Review before loading

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

Watch · 4

Vehicle out-of-service rate above average25.0% vs the 22.26% national average.Driver out-of-service rate above average8.2% vs the 6.7% national average.Fatal crash on record2 crash(es) involving a fatality are on this carrier's record.MCS-150 update dueThe biennial MCS-150 update is overdue.

In good standing · 1

Established 18 yearsOperating authority has been on file since 2008.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo25.0%

▲ 22.26% nat'l

Crashes · fatal

3 in 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo25.0%

▲ 22.26% nat'l

Crashes · fatal

3 in 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Asset-based

141 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

11.8 yr

Model years 1998–2026 · peer benchmark unavailable.

Identity stabilityStable

18 yr unchanged

Same registration since 2008 — no chameleon / reincarnation signal.

Safety

49 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 25.0%24-mo cumulative

050%nat'l 22.26%

Driver OOS 8.2%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 16 vehicle and 49 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

16.7% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 17.9 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

48 inspections in the charted months · busiest month Jan '25 · 5

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Thin coverage

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.2 / unit·yr

thin signalabundant signal

Few roadside inspections for a 141-unit fleet — the out-of-service and violation signals above rest on a small sample, so weight them cautiously. Thin coverage on a young authority is itself a flag.

Registered power units: 141
Inspections · 24 mo: 49
Annualized: ≈25 / yr
Coverage: ≈0.2 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving23 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance7 · 6 OOS
383.23 Operating without a valid CDLDriver Fitness4 · 4 OOS
393.43 Parts & accessories (vehicle condition)Vehicle Maintenance4 · 4 OOS
390.21 USDOT number marking on vehicleUnsafe Driving3 · 0 OOS
393.207 Parts & accessories (vehicle condition)Vehicle Maintenance3 · 3 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance3 · 3 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance3 · 0 OOS
392.82 Using a hand-held mobile phoneUnsafe Driving3 · 0 OOS
393.70 Coupling devices / fifth wheelVehicle Maintenance3 · 3 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 141
Observed power (24 mo): 36
Trailers (towed): 22

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

11.8 yr

Average age

2026

Newest model yr

1998

Oldest model yr

32.8%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

WA busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

BURLINGTON, WA

609 N HILL BLVD

Top corridor

WA 49

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (3 trucks · 2 carriers)

Across all inspections on record: USDOT 3993028 USDOT 1775227

Shares a registration email domain with other carriers

@interwest.biz — 4 carriers: USDOT 1775227 USDOT 1925343 USDOT 2207516

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

141

Observed (24 mo)

Shared w/ other carriers

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 609 N HILL BLVD, BURLINGTON, WA, 98233-4600
Operation: Intrastate (Hazmat)· Hazmat

Contact

Phone: (360) 757-7574
Fax: (360) 757-6464
Email: hr@interwest.biz
Web domain: interwest.biz

Registration

Officers: Roy Swihart · Eben Twaddle
USDOT / docket: 1748840
First registered: Mar 14, 2008
Last MCS-150: Apr 22, 2024 · 2,000,200 mi (2023)
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: —

Fleet (self-reported · MCS-150)

141

Power units

192

Drivers

CDL drivers

2,000,200

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

No verified reviews yet

Be the first broker or shipper to rate INTERWEST CONSTRUCTION INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.

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Verification summaryAuthority, insurance, safety and identity facts for INTERWEST CONSTRUCTION INC.

INTERWEST CONSTRUCTION INC (USDOT 1748840) has a Vektor safety score of 71/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Jun 21, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Jun 21, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jun 21, 2026.

Its vehicle out-of-service rate was 25.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 21, 2026.

The carrier received 49 roadside inspections in the last 24 months — 16 vehicle-level and 49 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Jun 21, 2026.

The carrier has 3 reportable crashes in the last 24 months and 2 fatal crashes across the full FMCSA crash record available as of Jun 21, 2026.

It reports 141 power units and 192 drivers in its most recent MCS-150 filing dated Apr 22, 2024.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 21, 2026.

Frequently asked

What is INTERWEST CONSTRUCTION INC's USDOT number?

INTERWEST CONSTRUCTION INC's USDOT number is 1748840.

Is INTERWEST CONSTRUCTION INC authorized to operate?

As of Jun 21, 2026, INTERWEST CONSTRUCTION INC is active in the FMCSA register.

What is INTERWEST CONSTRUCTION INC's safety record?

INTERWEST CONSTRUCTION INC has a 25.0% vehicle out-of-service rate (national average 22.26%) across 73 roadside inspections, with 3 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 71/100 (tier: review).

How big is INTERWEST CONSTRUCTION INC's fleet?

INTERWEST CONSTRUCTION INC operates 141 power units and 192 drivers per its most recent MCS-150 filing.

Where is INTERWEST CONSTRUCTION INC based?

INTERWEST CONSTRUCTION INC is based in BURLINGTON, WA, with roadside inspections recorded across 1 state.

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