Carrier profile · USDOT 760583 · MC-342834 · Updated Jun 13, 2026
SUPERIOR TRANSPORTATION INC
35 power unitsavg 11.2 yrMulti-region · 13 statesN CHARLESTON, SC88/100
CARRIER ACTIVEMC-342834 ACTIVERATED SATISFACTORY
Authority & Insurance
Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.
Operating authority· 49 CFR · per type
Operating authority
- Common
- Active
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability$750,000 in force
Cargo filing (census)Recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$750K in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’25 · 11 insurers · 0 lapsesInsurer churn
Sentry Select’98–’07
1998200520122019now
Shorter eras are too brief to label at this scale — all 15 insurers are named in the list below.
BIPD in force — $750,000 · MILFORD CASUALTY INSURANCE COMPANY · since May 2025
All 15 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NORTHLAND INSURANCE COMPANY | May 2023 → May 2025 | $750K | 1 |
| SENTRY SELECT INSURANCE COMPANY | Feb 2023 → Jun 2023 | $750K | 2 |
| PROGRESSIVE NORTHERN INSURANCE COMPANY | Feb 2023 → Feb 2023 | $750K | 1 |
| MANUFACTURERS ALLIANCE INSURANCE COMPANY | Jun 2022 → Feb 2023 | $750K | 1 |
| GENERAL SECURITY INDEMNITY COMPANY | Jun 2022 → Feb 2023 | $750K | 1 |
| MANUFACTURERS ALLIANCE INSURANCE COMPANY | Jun 2021 → Jun 2022 | $750K | 1 |
| GENERAL SECURITY INDEMNITY COMPANY | Jun 2021 → Jun 2022 | $750K | 1 |
| ROCK RIDGE INSURANCE COMPANY | Jun 2020 → Jun 2021 | $750K | 1 |
| CLEAR BLUE INSURANCE COMPANY | Jun 2019 → Jun 2020 | $750K | 1 |
| GREAT WEST CASUALTY CO. | Jun 2018 → Jun 2019 | $750K | 2 |
| WESTFIELD INSURANCE CO. | Jun 2015 → Jun 2018 | $750K | 1 |
| NEW HAMPSHIRE INSURANCE CO. | Jun 2013 → Jun 2015 | $750K | 2 |
| GREAT WEST CASUALTY CO. | May 2007 → Jul 2013 | $750K | 2 |
| SENTRY SELECT INSURANCE COMPANY | Nov 1998 → May 2007 | $750K | 3 |
| AXA GLOBAL RISKS US INSURANCE COMPANY | Aug 1998 → Nov 1998 | $750K | 1 |