Tri-State Generation & Transmission Association Inc (DOT# 180139) – FMCSA Carrier Profile

DOT# 180139● Active
Updated: 2026-03-09

Tri-State Generation & Transmission Association Inc is a registered motor carrier with the FMCSA under USDOT number 180139. The company operates from Westminster, CO and maintains an active operating status with 295 power units and 180 drivers on record.

Safety Rating

FMCSA Safety Rating
Satisfactory
Rated: May 24, 1988

Tri-State Generation & Transmission Association Inc holds a "Satisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier has been found to comply with federal safety regulations based on the most recent compliance review conducted by FMCSA. View official FMCSA record →

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Company Information

Address1100 W 116th Ave, Westminster, CO, 80234
Phone(303) 254-3153
Entity TypePrivate Property
OperationInterstate
Power Units295
Drivers180
MCS-150 FiledAugust 27, 2025
Annual Mileage3,860,000 mi (2024)
All carriers in ColoradoCarriers in Westminster, CO

Inspection Summary

All-time Inspections
All-time
17
Total
1
OOS
0
Driver OOS
1
Vehicle OOS
OOS Rate5.88%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
0.1
Unsafe Driving
0.0
HOS Compliance
0.0
Driver Fitness
0.0
Controlled Substances
0.9
Vehicle Maintenance
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Frequently Asked Questions

What is USDOT Number 180139?
USDOT number 180139 is assigned to Tri-State Generation & Transmission Association Inc, an active motor carrier registered with the FMCSA, based in Westminster, CO.
What is the safety rating of Tri-State Generation & Transmission Association Inc?
Tri-State Generation & Transmission Association Inc has a safety rating of Satisfactory as of May 24, 1988.
How many inspections has Tri-State Generation & Transmission Association Inc had?
Tri-State Generation & Transmission Association Inc has recorded 17 total inspections with 1 out-of-service orders, representing an OOS rate of 5.88%.
Where is Tri-State Generation & Transmission Association Inc located?
Tri-State Generation & Transmission Association Inc is headquartered at 1100 W 116th Ave, Westminster, CO 80234.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 180139 · Last updated: 2026-03-09. View official FMCSA record →