BITUMINOUS MATERIALS & SUPPLY L P, DOT #146093 FMCSA Safety & Compliance Report
Your latest roadside inspection, Iowa on October 12, was clean: no violations.
Your MCS-150 lists 9 trucks and 6 drivers.
A clean roadside record keeps your scores down. An investigation is still a records exam: it asks for the files behind every truck and every driver.
BITUMINOUS MATERIALS & SUPPLY L P is a small fleet motor carrier based in TAMA, Iowa (USDOT #146093). As of October 21, 2026, it holds a Satisfactory FMCSA safety rating and a FileFlo Carrier Intelligence Score of 100/100 (Low Risk), based on 4 recent inspection(s) and 0 recorded violation(s) in public FMCSA data.
What BITUMINOUS MATERIALS & SUPPLY L P's record points to
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Turn on free alertsCarrier Intelligence Score
100/100 Low Risk
| Category | Score | Max |
|---|---|---|
| Safety Rating | 30 | 30 |
| Inspection Pass Rate | 20 | 20 |
| Out-of-Service Rate (vs FMCSA national avg) | 15 | 15 |
| CSA BASIC percentiles | Not measured | n/a |
Three public FMCSA components, scored by FileFlo. CSA BASIC percentiles are not in FMCSA's public data, so they are shown as not measured.
BITUMINOUS MATERIALS & SUPPLY L P's public FMCSA record, line by line
Roadside inspections in the last 24 months
- Oct. 12, 2026, Iowa. No violations.
BITUMINOUS MATERIALS & SUPPLY L P: TAMA, Iowa Trucking Company
BITUMINOUS MATERIALS & SUPPLY L P is a small fleet operating out of TAMA, Iowa with USDOT number 146093. The company operates 9 power units and holds a current FMCSA safety rating of Satisfactory. Based on our analysis of federal safety data, BITUMINOUS MATERIALS & SUPPLY L P has a FileFlo Carrier Intelligence Score (CIS) of 100/100, classified as Low Risk.
FMCSA Safety Record & Inspection History
BITUMINOUS MATERIALS & SUPPLY L P has undergone 4 recorded DOT inspections.
What a 100/100 Carrier Intelligence Score Means
The Carrier Intelligence Score is FileFlo's own summary of three public FMCSA components for BITUMINOUS MATERIALS & SUPPLY L P: the safety rating, the inspection pass rate and the out-of-service rate against the national average. It is not an FMCSA score, and FMCSA does not use it to choose carriers for an investigation. 100 out of 100 falls in FileFlo's Low Risk band.
Iowa Trucking Compliance: TAMA Area Carriers
BITUMINOUS MATERIALS & SUPPLY L P falls under the Midwestern Service Center for FMCSA field-office oversight (region code 07). Service-center territory drives which FMCSA Investigator team would conduct a new-entrant audit or compliance review if one is triggered for this carrier.
Authority Type, Hazmat Status, and Operating Profile
BITUMINOUS MATERIALS & SUPPLY L P is classified by FMCSA as an interstate carrier.
The carrier is classified as Private Property, meaning it transports its own goods incidental to its primary business, exempt from MC-number authority but still subject to safety regulations under 49 CFR Part 390.
Business organization type: Corporation.
BITUMINOUS MATERIALS & SUPPLY L P is flagged in FMCSA Census as a hazardous materials carrier (HM indicator: Y). Hazmat carriers are subject to additional regulations under 49 CFR Subchapter C, including HM-126 reporting, HM-232 security planning, and the Hazmat Cargo Tank Annual Inspection requirement (49 CFR 180.407). Hazmat violations carry their own, higher penalty schedule, separate from the general FMCSA schedule.
Operational range per MCS-150 filing: interstate beyond 100 miles (long-haul, 6 drivers). The 100-mile boundary matters because drivers operating within a 100-air-mile radius qualify for the short-haul exception under 49 CFR 395.1(e)(1), which removes the requirement to maintain RODS for the day.
Self-reported MCS-150 annual mileage: 475,053 miles. MCS-150 mileage feeds the FMCSA SafeStat exposure denominator: drastically understated mileage can artificially inflate CSA BASIC percentile scores by reducing the per-mile exposure baseline. Updates are required every 24 months under 49 CFR 390.19.
Fleet Composition and Driver Profile
Owned equipment per the FMCSA Census filing: 9 tractors. Owned-vs-leased equipment matters for compliance documentation, owned trailers require the carrier to retain annual inspection certificates under 49 CFR 396.17, while leased trailers shift that documentation responsibility to the lease agreement.
The carrier reports 6 CDL-holding drivers on file. Each CDL driver must have a current Driver Qualification File (DQF) maintained per 49 CFR 391.51, including a Medical Examiner's Certificate, an annual MVR review, and a record of road-test results.
Primary cargo type per MCS-150: Asphalt. Cargo type drives which BASIC categories the carrier is monitored under (Hazmat Compliance applies only to HM-flagged carriers; Cargo-Related Crash applies broadly).
FMCSA Crash History
The FMCSA Motor Carrier Management Information System (MCMIS) crash dataset records 7 crash events involving BITUMINOUS MATERIALS & SUPPLY L P in the available reporting window. Of these, 0 involved a fatality, 3 involved a reported injury, and 5 resulted in a tow-away. 7 events meet the federal-recordable threshold under 49 CFR 390.5 (fatality, injury treated away from the scene, OR tow-away of any vehicle).
Most recent recorded event: USTH 63, Rochester, MN on January 22, 2016.
How BITUMINOUS MATERIALS & SUPPLY L P Compares to the National Average
Across the 4 recorded inspections, BITUMINOUS MATERIALS & SUPPLY L P's 0.0% vehicle out-of-service rate sits materially below the FMCSA 2024 national average of 20.72%. The 0.0% driver out-of-service rate sits materially below the 2024 national average of 5.51%.
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Recent DOT Inspections: BITUMINOUS MATERIALS & SUPPLY L P
Open any inspection for the records an auditor would ask for behind it: free, from USDOT 146093, no signup.
| Date | State | Driver OOS | Vehicle OOS | Next step |
|---|---|---|---|---|
| 2026-10-12 | IA | 0 | 0 | Audit check |
| 2024-08-07 | IA | 0 | 0 | Audit check |
| 2024-07-31 | IL | 0 | 0 | Audit check |
| 2024-01-02 | MN | 0 | 0 | Audit check |
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Frequently asked questions about BITUMINOUS MATERIALS & SUPPLY L P
What is BITUMINOUS MATERIALS & SUPPLY L P's FMCSA safety rating?
BITUMINOUS MATERIALS & SUPPLY L P (USDOT #146093) holds a "Satisfactory" FMCSA safety rating. FileFlo's Carrier Intelligence Score for the carrier is 100/100 (Low Risk), derived from its safety rating, inspection pass rate, and out-of-service rate versus the FMCSA national average.
How large is BITUMINOUS MATERIALS & SUPPLY L P's fleet?
Per its most recent FMCSA MCS-150 filing, BITUMINOUS MATERIALS & SUPPLY L P operates 9 power unit(s) and 6 driver(s), classifying it as a small fleet. Fleet counts are self-reported to FMCSA and can lag a carrier's current operation.
Where is BITUMINOUS MATERIALS & SUPPLY L P based?
BITUMINOUS MATERIALS & SUPPLY L P is registered with the FMCSA at a physical address in TAMA, Iowa, under USDOT number 146093.
What is BITUMINOUS MATERIALS & SUPPLY L P's DOT inspection and violation history?
FileFlo shows 4 recent DOT inspection(s) and 0 recorded violation(s) for BITUMINOUS MATERIALS & SUPPLY L P (USDOT #146093), sourced from FMCSA public records and the Socrata transportation datasets. The inspection table on this page lists dates, states, and out-of-service counts.
What is BITUMINOUS MATERIALS & SUPPLY L P's FileFlo Carrier Intelligence Score?
BITUMINOUS MATERIALS & SUPPLY L P scores 100/100 (Low Risk) on FileFlo's Carrier Intelligence Score. The score normalizes three public FMCSA components (safety rating, inspection pass rate, and out-of-service rate versus the national average) into one 0-100 surface. CSA SMS BASIC percentiles are not published in FMCSA's public data and are excluded rather than estimated.
Federal rules a carrier like BITUMINOUS MATERIALS & SUPPLY L P is audited against
The 49 CFR sections a DOT compliance review actually checks, plain-English:
- 49 CFR 395.8, Hours of service & ELD records
- 49 CFR 391.51, Driver qualification files (DQF)
- 49 CFR 396.3, Vehicle inspection, repair & maintenance
- 49 CFR 382.301, Pre-employment drug & alcohol testing
Compliance terms: CSA score · out-of-service order · hours of service · driver qualification file. See DOT compliance software & document management →
More Iowa carriers on file
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- BTI SPECIAL COMMODITIES INC, DES MOINES (USDOT 159837)
- B BAR R LIVESTOCK TRANSPORTATION INC, DENISON (USDOT 162485)
- WHITE TRANSFER AND STORAGE COMPANY, FORT DODGE (USDOT 164476)
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Data sourced from FMCSA public records and the Socrata transportation dataset. Last updated: October 21, 2026. Information may not reflect the carrier's current status. Dispute this record · Claim this profile