3 of your 14 roadside inspections in the last 24 months ended with an out-of-service order, most recently Texas on June 30.
Your latest, Kansas on September 15, had 1 violation, none out of service.
Your MCS-150 lists 170 trucks and 125 drivers.
Every violation on this list stays on your FMCSA record for 24 months and counts toward the scores FMCSA uses to choose carriers for an investigation. The investigator asks for the files behind each one.
INTERMOUNTAIN SLURRY SEAL INC is a large fleet motor carrier based in SALT LAKE CITY, Utah (USDOT #321564). As of October 22, 2026, it holds a Satisfactory FMCSA safety rating and a FileFlo Carrier Intelligence Score of 80/100 (Low Risk), based on 23 recent inspection(s) and 26 recorded violation(s) in public FMCSA data.
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Turn on free alerts80/100 Low Risk
| Category | Score | Max |
|---|---|---|
| Safety Rating | 30 | 30 |
| Inspection Pass Rate | 15 | 20 |
| Out-of-Service Rate (vs FMCSA national avg) | 7 | 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.
FMCSA's licensing record shows MC620991, motor property contract carrier authority, granted on October 17, 2007.
INTERMOUNTAIN SLURRY SEAL INC is a large fleet operating out of SALT LAKE CITY, Utah with USDOT number 321564. The company operates 170 power units and holds a current FMCSA safety rating of Satisfactory. Based on our analysis of federal safety data, INTERMOUNTAIN SLURRY SEAL INC has a FileFlo Carrier Intelligence Score (CIS) of 80/100, classified as Low Risk.
INTERMOUNTAIN SLURRY SEAL INC has undergone 23 recorded DOT inspections. The vehicle out-of-service rate is 13.0%, which is below the national average of 20.72%, suggesting solid vehicle maintenance practices. The driver out-of-service rate is 8.7%, above the national average of 5.51%. Common causes include hours-of-service violations, expired medical certificates, and CDL issues.
The public FMCSA record for INTERMOUNTAIN SLURRY SEAL INC carries 26 recorded violations, and the most recent inspection on file is dated September 15, 2026. Across 23 recorded inspections, the record carries 2 driver out-of-service violations and 3 vehicle out-of-service violations.
A recorded violation is what an inspector wrote down at the roadside. It is not a penalty, and it is not an amount owed: FMCSA assesses civil penalties only after a compliance review classifies specific cited violations. The step that changes this record is the document behind each line, so the next move is to see which records an investigator would ask for and which of them exist today.
The Carrier Intelligence Score is FileFlo's own summary of three public FMCSA components for INTERMOUNTAIN SLURRY SEAL INC: 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. 80 out of 100 falls in FileFlo's Low Risk band.
INTERMOUNTAIN SLURRY SEAL INC falls under the Western Service Center for FMCSA field-office oversight (region code 08). Service-center territory drives which FMCSA Investigator team would conduct a new-entrant audit or compliance review if one is triggered for this carrier.
INTERMOUNTAIN SLURRY SEAL INC is classified by FMCSA as an interstate carrier.
The carrier holds an Private Property;Authorized For Hire classification, meaning it transports cargo or passengers for compensation under FMCSA operating authority and is subject to MC-number requirements at 49 CFR Part 365.
Business organization type: Corporation.
INTERMOUNTAIN SLURRY SEAL INC 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, 125 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: 1,792,861 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.
Owned equipment per the FMCSA Census filing: 150 straight trucks, 15 tractors, 100 trailers. 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 55 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.
The FMCSA Motor Carrier Management Information System (MCMIS) crash dataset records 20 crash events involving INTERMOUNTAIN SLURRY SEAL INC in the available reporting window. Of these, 0 involved a fatality, 6 involved a reported injury, and 19 resulted in a tow-away. 20 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: I15 Southbound, at MP 294, SANDY, UT on April 19, 2025.
Inspections cluster geographically across Utah (6), Texas (5), Nebraska (3). The concentration in Utah is consistent with the carrier's primary lanes and tends to correlate with which state DOT inspector teams INTERMOUNTAIN SLURRY SEAL INC's drivers encounter most often at roadside checkpoints.
Across the 23 recorded inspections, INTERMOUNTAIN SLURRY SEAL INC's 13.0% vehicle out-of-service rate sits slightly below the FMCSA 2024 national average of 20.72%. The 8.7% driver out-of-service rate sits substantially above the 2024 national average of 5.51%.
The self-serve Audit-Ready Setup covers carriers up to 50 power units. A fleet of 170 power units is scoped with a person: tell us how USDOT 321564 is run, how many drivers and files are in scope, and we come back with the scope and the price for that.
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| Date | State | Driver OOS | Vehicle OOS | Next step |
|---|---|---|---|---|
| 2026-09-15 | KS | 0 | 0 | Audit check |
| 2026-09-14 | NE | 0 | 0 | Audit check |
| 2026-09-03 | CA | 0 | 0 | Audit check |
| 2026-06-30 | TX | 1 | 0 | Audit check |
| 2026-05-13 | UT | 0 | 1 | Audit check |
| 2025-10-17 | CO | 0 | 0 | Audit check |
| 2025-08-06 | WY | 0 | 0 | Audit check |
| 2025-07-24 | NE | 0 | 0 | Audit check |
| 2025-07-21 | CA | 0 | 0 | Audit check |
| 2025-07-10 | NE | 0 | 0 | Audit check |
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INTERMOUNTAIN SLURRY SEAL INC (USDOT #321564) holds a "Satisfactory" FMCSA safety rating. FileFlo's Carrier Intelligence Score for the carrier is 80/100 (Low Risk), derived from its safety rating, inspection pass rate, and out-of-service rate versus the FMCSA national average.
Per its most recent FMCSA MCS-150 filing, INTERMOUNTAIN SLURRY SEAL INC operates 170 power unit(s) and 125 driver(s), classifying it as a large fleet. Fleet counts are self-reported to FMCSA and can lag a carrier's current operation.
INTERMOUNTAIN SLURRY SEAL INC is registered with the FMCSA at a physical address in SALT LAKE CITY, Utah, under USDOT number 321564.
FileFlo shows 23 recent DOT inspection(s) and 26 recorded violation(s) for INTERMOUNTAIN SLURRY SEAL INC (USDOT #321564), sourced from FMCSA public records and the Socrata transportation datasets. The inspection table on this page lists dates, states, and out-of-service counts.
INTERMOUNTAIN SLURRY SEAL INC scores 80/100 (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.
The 49 CFR sections a DOT compliance review actually checks, plain-English:
Compliance terms: CSA score · out-of-service order · hours of service · driver qualification file. See DOT compliance software & document management →
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Data sourced from FMCSA public records and the Socrata transportation dataset. Last updated: October 22, 2026. Information may not reflect the carrier's current status. Dispute this record · Claim this profile