Key Takeaway
Hannibal Underground is a active underground mine producing Stone, located in Hannibal, Ralls County, MO. It has 1,531 violations on record (317 S&S) and $1.6M in proposed penalties. Operated by Continental Cement Company, LLC.
Hannibal Underground
Operator: Continental Cement Company, LLC
Controller: Summit Materials LLC
Location: Hannibal, Ralls County, MO
Employees: 141
Recent Violations
View all 1,531 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/14/2026 | 57.4230(a)(1) | Non-S&S | ModNegligence | $0 |
| 01/14/2026 | 57.12028 | S&S | ModNegligence | $0 |
| 01/13/2026 | 57.14107(a) | Non-S&S | ModNegligence | $0 |
| 01/13/2026 | 57.4602 | S&S | ModNegligence | $0 |
| 01/13/2026 | 57.4201(a)(1) | Non-S&S | ModNegligence | $177 |
| 01/12/2026 | 57.11001 | Non-S&S | ModNegligence | $0 |
| 01/12/2026 | 57.11001 | Non-S&S | ModNegligence | $0 |
| 01/09/2026 | 57.11001 | Non-S&S | ModNegligence | $366 |
| 01/08/2026 | 57.13021 | Non-S&S | LowNegligence | $151 |
| 01/08/2026 | 57.11001 | S&S | ModNegligence | $1,968 |
| 01/08/2026 | 57.11001 | Non-S&S | ModNegligence | $398 |
| 01/08/2026 | 50.30(a) | Non-S&S | LowNegligence | $151 |
| 01/07/2026 | 57.4201(a)(2) | Non-S&S | ModNegligence | $209 |
| 01/07/2026 | 57.20003(a) | S&S | ModNegligence | $0 |
| 01/07/2026 | 57.11012 | S&S | ModNegligence | $0 |
| 01/07/2026 | 57.11001 | S&S | ModNegligence | $2,312 |
| 01/07/2026 | 57.12030 | S&S | LowNegligence | $0 |
| 01/07/2026 | 57.11001 | Non-S&S | ModNegligence | $465 |
| 01/07/2026 | 57.12030 | Non-S&S | LowNegligence | $151 |
| 01/06/2026 | 57.11001 | Non-S&S | ModNegligence | $465 |
Accidents & Injuries
View all 93 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/23/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/19/2024 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 11/04/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/15/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/20/2024 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/13/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/12/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/27/2024 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 11d restricted |
| 04/18/2024 | MACHINERY | DAYS AWAY FROM WORK ONLY | 296d lost |
| 03/22/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 161 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/06/2026 | 01/15/2026 | 172.75 | 2 |
| 10/23/2025 | 10/23/2025 | 8.50 | 1 |
| 10/08/2025 | 11/05/2025 | 144.00 | 1 |
| 09/22/2025 | 09/24/2025 | 18.50 | 1 |
| 09/18/2025 | 09/18/2025 | 5.25 | 1 |
| 08/20/2025 | 08/21/2025 | 12.50 | 1 |
| 08/05/2025 | 08/12/2025 | 20.75 | 1 |
| 07/28/2025 | 07/29/2025 | 7.00 | 2 |
| 07/14/2025 | 07/31/2025 | 278.00 | 3 |
| 04/28/2025 | 06/03/2025 | 102.00 | 2 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Hannibal Underground have?
Hannibal Underground has 1531 MSHA violations on record, of which 317 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1.6M.
What type of mine is Hannibal Underground?
Hannibal Underground is a Underground mine producing Stone, located in Hannibal, Ralls County, MO. It currently has 141 employees.
Has anyone been injured or killed at Hannibal Underground?
According to MSHA records, Hannibal Underground has 93 reported accident/injury records and 0 fatalities on file.
Who operates Hannibal Underground?
Hannibal Underground is operated by Continental Cement Company, LLC and controlled by Summit Materials LLC. MSHA Mine ID: 2302434.