Florida Rock & Tank Lines Inc
USDOT 29628 · MC-126736 · Jacksonville, Florida · Interstate for-hire carrier · 250–499 power units
Florida Rock & Tank Lines Inc is a corporation based in Jacksonville, Florida, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 298 power units and 398 drivers, which ranks it #54 by fleet size among 340 active for-hire carriers with 50+ power units headquartered in Florida. In the 24 months to Sep 24, 2026 its trucks were inspected 683 times – about 2.3 inspections per power unit. 9.1% of vehicle inspections and 0.3% of driver inspections ended with an out-of-service order, against 18.3% and 2.0% for carriers of the same size nationally. FMCSA records 26 reportable crashes in the last 24 months (7 injuries, 3 fatalities, 26 tow-away), or 8.7 per 100 power units versus 4.2 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, liquids / gases, grain, feed, hay, chemicals, commodities dry bulk, water well.
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Registration and contact
| Legal name | Florida Rock & Tank Lines Inc |
|---|---|
| DBA name | — |
| USDOT number | 29628 |
| Operating authority (docket) | MC-126736 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 200 West Forsyth 7Th Floor, Jacksonville, FL 32202 |
| Phone | (904) 396-5733 |
| First registered | Jun 1, 1974 |
| Last MCS-150 update | Jul 2, 2025 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 29628.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 0 | 0 | 0 |
| Truck tractors | 241 | 57 | 0 |
| Trailers | 74 | 0 | 0 |
- 1.34 drivers per power unit (national median for 50+ unit fleets: 0.99) – suggests team driving, slip-seating or multiple shifts.
- 0.2 trailers per tractor.
- 24,483,255 miles reported for 2023 – about 82,159 miles per power unit vs a 41,335 median for 250–499-unit fleets.
- 85% of listed equipment is owned rather than leased.
- 398 CDL drivers; 36 drivers operate interstate beyond 100 miles, 362 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 250–499-unit for-hire carriers nationally (792) and Florida carriers with 50+ units (340).
| Measure | Florida Rock & Tank Lines In | Same size, US | FL average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 9.1% | 18.3% | 17.2% | 51% lower than average |
| Driver out-of-service rate | 0.3% | 2.0% | 2.5% | 85% lower than average |
| Crashes per 100 power units | 8.7 | 4.2 | 1.3 | 110% higher than average |
| Inspections | 683 | 683 with a driver check, 618 with a vehicle check, 422 BASIC violations recorded, 596 hazmat-related | ||
| FMCSA safety rating | Satisfactory (rated Aug 20, 2002) | |||
Cargo carried
Less common in this directory: water well (130 of 5,000 carriers); grain, feed, hay (851 of 5,000 carriers).
Similar carriers in Florida
Closest fleet size and cargo mix among Florida carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Walpole Inc USDOT 190616 | Okeechobee | 289 | 289 | 197 | 12.8% | 23 |
| Pritchett Trucking Inc USDOT 158592 | Lake Butler | 266 | 218 | 364 | 26.1% | 18 |
| Mcshea Contracting LLC USDOT 1908697 | Lehigh Acres | 254 | 275 | 12 | 28.6% | 7 |
| Trans-Phos Inc USDOT 160457 | Mulberry | 380 | 431 | 568 | 19.0% | 28 |
| A J T Trucking Inc USDOT 263813 | Medley | 313 | 301 | 455 | 18.5% | 19 |
| Freedom 1 LLC USDOT 1575970 | Ponte Vedra | 291 | 284 | 367 | 42.7% | 26 |
Other carriers near Jacksonville
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| CSX Transportation Inc USDOT 29619 | Jacksonville | 2,296 | 3,474 | 437 | 14.8% | 23 |
| Davis Mail Services Inc USDOT 1787026 | Jacksonville | 711 | 377 | 83 | 24.2% | 17 |
| Cypress Truck Lines Inc USDOT 186106 | Jacksonville | 520 | 512 | 481 | 10.8% | 32 |
| Customized Trucking Services Inc USDOT 1938017 | Jacksonville | 244 | 240 | 121 | 27.1% | 10 |
| Trailer Bridge Ocean LLC USDOT 4376500 | Jacksonville | 240 | 164 | 45 | 15.0% | 2 |
| Centurion-Eagle Auto Transport Inc USDOT 471614 | Jacksonville | 239 | 207 | 196 | 14.6% | 25 |
| Raven Transport Holding Inc USDOT 2539656 | Jacksonville | 232 | 232 | 107 | 33.3% | 9 |
| Proficient Auto Transport LLC USDOT 1297747 | Jacksonville | 180 | 151 | 107 | 26.5% | 13 |
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FAQ
What is the USDOT number of Florida Rock & Tank Lines Inc?
Florida Rock & Tank Lines Inc is registered with USDOT number 29628 and operating authority MC-126736.
How many trucks does Florida Rock & Tank Lines Inc have?
It reports 298 power units (298 tractors, 0 straight trucks) and 74 trailers, with 398 drivers, on its last MCS-150 update (Jul 2, 2025).
Where is Florida Rock & Tank Lines Inc located?
Its registered physical address is in Jacksonville, Florida 32202.
What is the out-of-service rate of Florida Rock & Tank Lines Inc?
Over 24 months, 9.1% of vehicle inspections and 0.3% of driver inspections resulted in an out-of-service order (same-size national average: 18.3% vehicle, 2.0% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.