What is Inberg-miller Engineers's safety grade?

Inberg-miller Engineers has a CarrierRecord safety grade of C. This grade is based on FMCSA inspection results, out-of-service rates, and crash history. Grades range from A (excellent) to F (poor). NR means not enough data to rate.

How many FMCSA inspections does Inberg-miller Engineers have?

Inberg-miller Engineers has 8 inspections on record with a 37.5% vehicle out-of-service rate and a 12.5% driver out-of-service rate. The national averages are 23.2% and 6.4% respectively. These inspections revealed 13 violations.

Has Inberg-miller Engineers been involved in any crashes?

Inberg-miller Engineers has no crashes on record in FMCSA data.

Inberg-miller Engineers Safety Record

DOT# 432220 · Riverton, WY 82501 · 3078568136

Legal name: Inberg Surveying Co INC

Average safety record — scored 50/100. This carrier's inspection results are typical for the industry.

Last inspected 12/10/2025

Grade based on FMCSA inspection, crash, and violation data. See methodology →

Safety Score Breakdown · 50/100 points

Vehicle OOS Rate 30/30 pts

Driver OOS Rate 20/20 pts

Crash Rate 0/30 pts

Fatal Crash Penalty 0/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, Inberg-miller Engineers (DOT# 432220) in Riverton, Wyoming has 8 inspections on record with 13 violations and a 37.5% vehicle out-of-service rate. Safety grade: C.

8 Inspections

37.5% Vehicle OOS Rate

0 Crashes

4 Power Units

Out-of-Service Rates vs. National Average

An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.

Vehicle OOS Rate 37.5%

Carrier: 37.5% (3 of 8) National: 23.2%

Driver OOS Rate 12.5%

Carrier: 12.5% (1 of 8) National: 6.4%

37% OOS rate better than 37% of carriers in Wyoming

21% crash rate better than 21% of carriers in Wyoming

Violation Categories · 13 total violations

FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.

13 total violations across 8 inspections

4 violations resulted in out-of-service orders (31%)

Vehicle Maintenance

Driver Fitness

Hazardous Materials

Inspection History · 8 records

FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.

Inspected across 3 states: CO, NM, WY

Level 1: 3 (38%) Level 2: 3 (38%) Level 3: 2 (25%)

2 of 5 recent inspections had vehicle out-of-service violations

Date	State	Level	Veh OOS	Drv OOS
12/10/2025	WY	1	2	0
09/09/2025	CO	1	0	0
08/20/2025	CO	2	0	1
02/07/2025	CO	1	1	0
07/23/2024	WY	2	0	0
06/18/2024	NM	2	0	0
12/15/2023	CO	3	0	0
07/24/2023	CO	3	0	0

Fleet Profile

Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.

Power Units 4

Drivers 4

Fleet Size Small Fleet

Operation Type Interstate

Hazmat No

Operating Since 12/27/1990

MCS-150 Filed 20240820 1

Annual Mileage (MCS-150) 143,000

Address 124 E Main Street, Riverton, WY 82501