ROCK SPRING CONTRACTING LLC

USDOT 2160346 • 3925 PLYERS MILL RD, KENSINGTON, MD, 20895

ACTIVE
Authority:None on file
Insurance:None on file
BOC-3:Not on file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:1 active

Overview

Company profile from FMCSA Census File

USDOT
2,160,346
Status
ACTIVE
Operation
Interstate
Phone
2408483765
Power Units (MCS-150)
16
Drivers (MCS-150)
7
MCS-150 Mileage
221,047
Physical Address
3925 PLYERS MILL RD, KENSINGTON, MD, 20895
Contact

Risk Signals1 flagged

HIGH
1 active Out-of-Service order
Active OOS orders prevent this carrier from operating until rescinded. See the OOS Orders table for details.

Signals are auto-detected from FMCSA public records. This is not a regulatory determination.

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority
0
Revoked / Inactive
0
Authority Types
0
Insurance Policies
None on file
BOC-3 Filing
Not on file

Operating Authority

fmcsa-authhistApr 5, 2026
No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Out-of-Service Orders (1)

fmcsa-oos-orders
Out-of-Service Orders (1)
OOS DateReasonStatusRescinded
Sep 4, 2012New Entrant Revoked - Refusal of Audit/No ContactACTIVESep 14, 2012

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Hours of Service
N/A
Unsafe Driving
14%

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections
46
Violations
35
9 OOS
Vehicle OOS %
13.0%
Driver OOS %
4.3%
Power Units (MCS-150)
16
Drivers (MCS-150)
7
Crash Records
5

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

2
May
1
Jun
3
Jul
Aug
Sep
1
Oct
1
Nov
2
Dec
2
Jan
Feb
1
Mar
Apr
1
May
Jun
Jul
1
Aug
Sep
Oct
3
Nov
4
Dec
2
Jan
Feb
Mar
1
Apr
Clean monthMonth with OOSBased on latest 46 of 46 inspection records

Inspection Activity Map

3 states46 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (35 violations from 46 inspections)

fmcsa-inspection-file
Violation Summary (35 violations from 46 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:392.2-SLLUCROperating a CMV while ill or fatigued308Unsafe Driving
FMCSR:392.2Operating a CMV while ill or fatigued308Unsafe Driving
FMCSR:393.47A-BCLMBDBrake chamber - cracked/broken208Vehicle Maintenance
FMCSR:396.3A1-BOSBRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination22Vehicle Maintenance
FMCSR:396.17C-PINo proof of periodic inspection203Vehicle Maintenance
FMCSR:392.16(a)Failing to use seat belt (49 CFR)203Unsafe Driving
FMCSR:396.3A1-STLNSteering - Loose nuts on tie rods/pitman arm/drag link/steering arm/tie rod22Vehicle Maintenance
FMCSR:393.30-BBattery improperly secured103Vehicle Maintenance
FMCSR:393.9A-LLPLInoperable required lamps103Vehicle Maintenance
FMCSR:393.47ESlack adjuster defective107Vehicle Maintenance
FMCSR:393.53B-BSteering system components worn107Vehicle Maintenance
FMCSR:393.9A-LFTSIInoperable required lamps103Vehicle Maintenance
FMCSR:393.9A-LILInoperable required lamps103Vehicle Maintenance
FMCSR:392.9A2-CCargo - Vehicle components or dunnage not secured11Unsafe Driving
FMCSR:391.41APCMedical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency11Driver Fitness
FMCSR:393.9A-LSLIInoperable required lamps103Vehicle Maintenance
FMCSR:393.11A1-LLPLLighting devices/reflectors103Vehicle Maintenance
FMCSR:392.2-SLLLROperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:393.60CGlazing/window obstructions104Vehicle Maintenance
FMCSR:392.2-SLLOperating a CMV while ill or fatigued108Unsafe Driving
FMCSR:391.11(b)(4)No valid medical certificate117Driver Fitness
FMCSR:393.134Cargo securement - large boulders117Vehicle Maintenance
FMCSR:393.9(a)Inoperable required lamps103Vehicle Maintenance
FMCSR:393.41No or defective parking brake system on CMV11Vehicle Maintenance
FMCSR:393.11A1-LILLighting devices/reflectors103Vehicle Maintenance
FMCSR:393.75C-TAOTD-LT2/32Tire tread depth insufficient (other axles)105Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate
13.0%vs nat'l 23.4%
-10.4 pts below avg
Driver OOS Rate
4.3%vs nat'l 6.7%
-2.4 pts below avg
Violations / Inspection
0.76vs nat'l 1.80
-1.04 below avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (46 inspections)

fmcsa-inspectionsApr 5, 2026
Inspection History (46 inspections)
DateReport #StationStateLevelVehicleViolationsTop CodesOOS
Apr 3, 202687493826RoadsideMDLevel 1ISUZU STRAIGHT TRUCK0No
Jan 14, 202686814857DUMFRIES VAVALevel 2HINO STRAIGHT TRUCK3392.2-SLLUCR, 393.30-B, 393.9A-LLPLNo
Jan 8, 202686773162CLARKSBURG MDMDLevel 2CHEVROLET STRAIGHT TRUCK0No
Dec 22, 202586647141CLARKSBURG MDMDLevel 2FORD STRAIGHT TRUCK0No
Dec 22, 202586656137COLLEGE PARK MDMDLevel 1MACK STRAIGHT TRUCK5393.47A-BCLMBD, 393.47E, 393.53B-BYes
Dec 4, 202586486452FRANCONIA VAVALevel 3MACK STRAIGHT TRUCK0No
Dec 3, 202586539466CLARKSBURG MDMDLevel 2FORD STRAIGHT TRUCK1393.9A-LFTSINo
Nov 25, 202586437241WASHINGTON DCDCLevel 2FREIGHTLIN STRAIGHT TRUCK0No
Nov 17, 202586346204COLLEGE PARK MDMDLevel 2HINO STRAIGHT TRUCK4396.17C-PI, 393.9A-LIL, 392.9A2-CYes
Nov 10, 202586292761CLARKSBURG MDMDLevel 2FORD STRAIGHT TRUCK0No
Aug 27, 202585646500CAPITOL HEIGHTS MDMDLevel 1CHEVROLET STRAIGHT TRUCK2393.9A-LSLI, 393.11A1-LLPLNo
May 30, 202584848544WASHINGTON DCDCLevel 2HINO STRAIGHT TRUCK1392.2-SLLUCRNo
Mar 24, 202584212352WASHINGTON DCDCLevel 3MACK STRAIGHT TRUCK1392.2-SLLUCRNo
Jan 16, 202583634323DUMFRIES VAVALevel 3HINO STRAIGHT TRUCK0No
Jan 13, 202583595757CENTREVILLE VAVALevel 3MACK STRAIGHT TRUCK1392.2-SLLLRNo
Dec 10, 202483358776WASHINGTON DCDCLevel 1CHEVROLET STRAIGHT TRUCK0No
Dec 10, 202483376170DUMFRIES VAVALevel 3HINO STRAIGHT TRUCK0No
Nov 14, 202483160358WASHINGTON DCDCLevel 3MACK STRAIGHT TRUCK0No
Oct 21, 202482950912DUMFRIES VAVALevel 1HINO STRAIGHT TRUCK2393.60C, 392.2-SLLNo
Jul 29, 202482234715WASHINGTON DCDCLevel 2MACK STRAIGHT TRUCK0No
Jul 9, 202482101819WASHINGTON DCDCLevel 1HINO STRAIGHT TRUCK2392.16(a), 392.2No
Jul 3, 202482042517WASHINGTON DCDCLevel 1HINO STRAIGHT TRUCK0No
Jun 10, 202481839082WASHINGTON DCDCLevel 1HINO STRAIGHT TRUCK0No
May 16, 202481652675MONTCLAIR VAVALevel 1HINO STRAIGHT TRUCK0No
May 6, 202481550302WASHINGTON DCDCLevel 3HINO STRAIGHT TRUCK0No
Apr 29, 202481480465WASHINGTON DCDCLevel 2HINO STRAIGHT TRUCK0No
Apr 25, 202481443184PRINCE GEORGES COUNTYMDLevel 2CHEV STRAIGHT TRUCK1392.2No
Apr 23, 202481430987PARK & RIDE SCALE I-95 @ I-495MDLevel 2HINO STRAIGHT TRUCK1391.11(b)(4)Yes
Apr 9, 202481324392MANASSAS VAVALevel 3MACK STRAIGHT TRUCK2392.16(a), 392.2No
Feb 23, 202480923266WASHINGTON DCDCLevel 3HINO STRAIGHT TRUCK0No
Feb 20, 202480884671WASHINGTON DCDCLevel 3MACK STRAIGHT TRUCK0No
Feb 13, 202480845711WASHINGTON DCDCLevel 3HINO STRAIGHT TRUCK0No
Jan 22, 202480662803WASHINGTON DCDCLevel 2HINO STRAIGHT TRUCK0No
Nov 10, 202380133616WASHINGTON DCDCLevel 3MACK STRAIGHT TRUCK0No
Oct 26, 202380012975WASHINGTON DCDCLevel 2CHEVROLET STRAIGHT TRUCK1396.17C-PINo
Oct 18, 202379952326DUMFRIES SCALES NORTHVALevel 3PETERBILT TRUCK TRACTOR0No
Oct 12, 202379892226I-270 S/B HYATTSTOWN SCALEHOUSMDLevel 1HINO STRAIGHT TRUCK0No
Sep 26, 202379751543WASHINGTONDCDCLevel 3HINO STRAIGHT TRUCK0No
Sep 25, 202379753075WB I-66VALevel 2MACK STRAIGHT TRUCK2393.134, 393.9(a)Yes
Aug 31, 202379554400I-495 SB EX AT RT 29VALevel 2FREIGHTLIN STRAIGHT TRUCK1393.41Yes
Aug 25, 202379502591WASHINGTONDCDCLevel 1HINO STRAIGHT TRUCK1396.3A1-BOSYes
Aug 7, 202379337267WASHINGTONDCDCLevel 1FORD STRAIGHT TRUCK2396.3A1-STLNYes
Aug 4, 202379323353WASHINGTONDCDCLevel 3HINO STRAIGHT TRUCK0No
Jul 18, 202379165486WASHINGTONDCDCLevel 3HINO STRAIGHT TRUCK0No
Jun 6, 202378816302WASHINGTONDCDCLevel 1FORD STRAIGHT TRUCK2393.11A1-LIL, 393.75C-TAOTD-LT2/32No
May 24, 202378747123DUMFRIES SCALES NORTHVALevel 3KENWORTH TRUCK TRACTOR0No

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

28 total · 10.7% OOS
2024-042026-04
InspectionsOOS

Violations by BASIC category

Unsafe Driving11 · 1 OOS
Driver Fitness2 · 2 OOS

Recent Crashes

5 crash records from FMCSA Crash File

Total Crashes
5
Fatalities
0
Injuries
3
Across 3 crashes
Tow-Aways
4

Crash History (5 records)

fmcsa-crash-fileApr 5, 2026
Crash History (5 records)
DateStateSeverityFatalitiesInjuriesCityLocationVINCarrier Name at Crash
Nov 4, 2025VATOW00Not ReportedI-95 SOUTH AT 0.20M N OF POHICK RD...F03427ROCK SPRING CONTRACTING LLC
Jun 20, 2023MDINJURY01WESTPHALIA RD...004128ROCK SPRING CONTRACTING LLC
Nov 26, 2019VAINJURY01
Nov 30, 2018MDINJURY01
Jun 8, 2016MDTOW00

Compliance Timeline

7 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records

Nov 4, 2025
Crash
Tow-away crash in VA
0 fatalities, 0 injuries
Jun 20, 2023
Crash
Injury crash in MD
0 fatalities, 1 injury
Nov 26, 2019
Crash
Injury crash
0 fatalities, 1 injury
Nov 30, 2018
Crash
Injury crash
0 fatalities, 1 injury
Jun 8, 2016
Crash
Tow-away crash
0 fatalities, 0 injuries
Sep 14, 2012
OOS
OOS order rescinded
New Entrant Revoked - Refusal of Audit/No Contact
Sep 4, 2012
OOS
OOS order issued
New Entrant Revoked - Refusal of Audit/No Contact

Related Records

Data sources & freshness

FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026