UNDERGROUND CONSTRUCTION CO INC
AUTHORIZEDDBA: UNDERGROUND CONSTRUCTION
USDOT
516591
MC Number
N/A
Fleet Size
301
Total Drivers
471
Last updated: March 16, 2026
Safety overview
UNDERGROUND CONSTRUCTION CO INC is a large interstate motor carrier based in BENICIA, California, operating 301 power units with 471 drivers. Their safety profile raises flags: 4 of 5 BASIC categories exceed the 75th percentile, which is where FMCSA considers stepping in. Their driver out-of-service rate of 1.3% comes in under the 5.51% national average. They have 1 crash on file. FMCSA records show 77 inspections for this carrier.
BASIC scores
SMS PercentilesHigher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in California is 8.9% and the average vehicle OOS rate is 22.4% across 312,857 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
What are BASIC scores?
FMCSA tracks carrier performance through its Safety Measurement System (SMS), which scores carriers across six categories called BASICs. Each score is a percentile from 0 to 100, based on inspection and crash data from the past 24 months.
A score of 65 means the carrier performed worse than 65% of its peers. Anything above 75% can trigger FMCSA alerts or investigations. Brokers vetting new carriers should pay attention to scores above 50%.
- Unsafe driving
- Speeding, reckless driving, improper lane changes, seatbelt violations. All based on what officers find during roadside inspections.
- HOS / Fatigue
- Hours-of-service violations, logbook problems, driving past the allowed limits. Fatigued driving is one of the top causes of truck crashes in the US.
- Driver fitness
- Licensing problems, expired medical certificates, and other driver qualification issues.
- Controlled substances
- Drug and alcohol testing violations, possession, or impairment.
- Vehicle maintenance
- Brake problems, tire issues, lighting defects, load securement failures. Caught during the vehicle portion of roadside inspections.
- Crash indicator
- Based on crash history from state-reported data. Higher percentile means more crashes relative to the carrier's size and mileage.
Inspections
77
Total
53%
Driver %
Crash history
1
Total Crashes
Need trucking insurance?
Compare quotes from commercial truck insurers. Liability, cargo, physical damage coverage and more.
Get quotes (coming soon)Similar carriers in California
Other carriers in the same state with a similar fleet size.
CAPISTRANO UNIFIED SCHOOL DISTRICT
SUNSET SCAVENGER COMPANY
CITY RISE LLC
SAN MATEO COUNTY TRANSIT DISTRICT
ALTMAN SPECIALTY PLANTS LLC
Frequently asked questions
Is UNDERGROUND CONSTRUCTION CO INC authorized to operate?
Yes. UNDERGROUND CONSTRUCTION CO INC (USDOT #516591) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is UNDERGROUND CONSTRUCTION CO INC's safety record?
UNDERGROUND CONSTRUCTION CO INC has 4 BASIC scores above the 75th percentile, which is where FMCSA may look into a carrier. Brokers should weigh these scores alongside the inspection history and crash data before making a decision.
How many trucks does UNDERGROUND CONSTRUCTION CO INC operate?
UNDERGROUND CONSTRUCTION CO INC operates 301 power units with 471 drivers on file. That puts them in the large carrier category by FMCSA standards.
Does UNDERGROUND CONSTRUCTION CO INC transport hazardous materials?
No. UNDERGROUND CONSTRUCTION CO INC does not have a hazardous materials flag in the FMCSA database.
Where is UNDERGROUND CONSTRUCTION CO INC located?
UNDERGROUND CONSTRUCTION CO INC is based in BENICIA, California at 5145 INDUSTRIAL WAY, 94510. Phone: (707) 746-8800.
What are UNDERGROUND CONSTRUCTION CO INC's out-of-service rates?
UNDERGROUND CONSTRUCTION CO INC's driver out-of-service rate is 1.3%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 11.9% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.