Why Concrete Mixers Roll Over
A cement mixer combines every factor that makes a vehicle unstable, and then adds one nothing else has: the load rotates continuously while the vehicle is moving.
- The drum sits high. Its mass is carried well above the frame, giving the vehicle a center of gravity higher than almost any other configuration on the road.
- The load is liquid, and it moves. Wet concrete surges like any liquid, with the added complication that the drum is turning to keep it from setting.
- The load changes constantly. Weight decreases through a pour, altering handling between one site and the next.
- Short wheelbase, heavy axle loads, concentrating weight rather than distributing it.
- Time pressure is inherent. Concrete has a working life measured in a couple of hours, so there is a real operational reason to hurry — which is exactly the pressure that produces speed in curves.
The result is a vehicle that rolls over on ramps and turns that other trucks handle. See Rollover Accidents.
How Cement Trucks Fail
- Rollover in turns and on ramps, the signature failure, often at speeds other vehicles manage comfortably.
- Loss of control under braking, where surge in the drum extends stopping distance.
- Site egress collisions, pulling across traffic from a construction entrance.
- Backing incidents around workers and pedestrians on and near sites.
- Discharge chute strikes, where an unsecured or improperly stowed chute contacts vehicles or people.
- Concrete spillage onto the roadway, which is both a slip hazard and, once set, an obstruction.
- Overloading, since a drum filled beyond rated capacity worsens every factor above.
Shiner Law Group, P.A.
Founded by David I. Shiner, Esq. · AV Preeminent® rated · Florida Bar member since 2002
Shiner Law Group was founded by David I. Shiner, Esq., a Nova Southeastern University law graduate, a member of The Florida Bar since 2002, and AV Preeminent® rated by Martindale-Hubbell. The firm represents injured people across Florida from offices in Boca Raton, West Palm Beach, Fort Lauderdale, Fort Pierce, Orlando, Wellington, and Belle Glade, and handles truck accident cases on contingency: free consultations, and no fee unless there is a recovery.
Who Is Liable
| Potentially Liable Party | Typical Basis for Liability |
|---|---|
| Truck driver | Speed in curves and on ramps, unsafe backing, failing to secure the chute, overloading |
| Concrete or ready-mix company | Scheduling that builds in time pressure, inadequate training, deferred maintenance on brakes and stability systems |
| Site operator or general contractor | Site layout, egress design, spotting procedures, and ground conditions where the vehicle discharges |
| Equipment manufacturer | Defective drum mounting, chute latching, or stability control |
| Maintenance contractor | Brake, suspension, or tire work on a vehicle with unusually little margin |
| Government entity or contractor | Where a public works project controlled the site or surrounding traffic control |
Florida applies modified comparative negligence under Fla. Stat. § 768.81: you recover as long as you are not more than 50% at fault, with the award reduced by your share. The two-year limitations period for negligence claims arising after March 24, 2023 applies (Fla. Stat. § 95.11(5)(a)), and PIP under Fla. Stat. § 627.736 requires treatment within 14 days.
Delivery logs show the schedule the driver was keeping.
Shiner Law Group offers free case reviews for Florida cement truck crash victims — 24/7, no fee unless you win.
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What to Do After a Cement Truck Crash
- Photograph the drum position and any spilled concrete before it sets or is cleared.
- Note the ready-mix company from the vehicle livery, and the site it was serving.
- Get medical care immediately — Florida’s PIP statute (Fla. Stat. § 627.736) requires initial treatment within 14 days to access your $10,000 in benefits.
- Call law enforcement and get the crash report number.
- Photograph the vehicle and its markings, including the DOT number and any company name or livery.
- Photograph the load and how it was secured, before anything is moved.
- Get witness contact information before traffic clears.
- Do not give a recorded statement to the trucking company’s insurer before speaking with an attorney.
- Act quickly on evidence — camera footage and electronic data are overwritten within weeks.