One worker was injured after an explosion at the Martin Marietta Fresno Asphalt facility in Fresno, California, on Tuesday morning, August 25, 2026. According to the Fresno Fire Department, crews responded to the facility in the 2000 block of East Central Avenue near Cedar Avenue around 7:00 a.m. after reports of a loud explosion and smoke.
Fire officials said the explosion occurred near the top of one of the facility’s large elevated silos. Two employees were working on top of the silo at the time and were able to make their way down on their own. One worker suffered second-degree burns and was transported to the hospital for treatment.
Firefighters monitored the silo until it was emptied. The cause of the explosion remains under investigation.
Explosions at Asphalt Facilities Can Cause Severe Injuries
An explosion at an asphalt facility can place workers in immediate danger. These facilities often involve elevated structures, heated materials, confined or semi-confined industrial equipment, combustible substances, moving machinery, and work at heights. When an explosion occurs near the top of a silo, workers may face burns, blast pressure, smoke exposure, falling hazards, and the risk of being trapped on elevated equipment.
The injured worker reportedly suffered second-degree burn injuries. Second-degree burns can damage the outer and deeper layers of skin, cause severe pain, require wound care, and create risks of infection, scarring, nerve injury, and long-term sensitivity. Depending on the area of the body affected, a burn injury can also interfere with a worker’s ability to return to physically demanding industrial work.
The fact that two workers were on top of the silo when the explosion occurred makes the incident particularly concerning. Investigators should determine what task the workers were performing, what materials were inside the silo, whether the silo was being filled or emptied, whether heating systems were involved, and whether any maintenance, welding, cutting, cleaning, inspection, or repair work was underway.
Why Silo Explosions Require Careful Investigation
A silo explosion can result from several different hazards. Investigators may need to examine combustible dust, vapors, gases, heated asphalt materials, ignition sources, ventilation, pressure buildup, electrical components, mechanical equipment, and work practices. The exact cause should not be assumed from early reports.
In an industrial setting, an explosion may involve a flash fire if vapors, dust, or flammable materials ignite suddenly. Flash fires can produce intense heat over a short period of time, causing serious burns even when a worker is not directly engulfed in flames for long. Investigators should determine whether the injured worker was burned by flame, hot material, heated equipment, steam, smoke, or another source.
The silo should be inspected before it is repaired, cleaned, or altered. The area near the top of the silo may contain key evidence, including burn patterns, damaged components, residue, pressure damage, wiring, vents, sensors, access points, and tools used by the workers. If the silo was emptied after the incident, investigators should document what material was removed and whether samples were preserved.
Equipment, Maintenance, and Process Safety Issues
Industrial explosions often raise questions about equipment condition and maintenance. Silo systems may include conveyors, elevators, heating systems, mixers, vents, sensors, filters, dust collection equipment, electrical components, valves, and monitoring systems. If any part of that system failed or operated improperly, it could have contributed to the explosion.
Investigators should review maintenance records, inspection logs, prior repair requests, equipment alarms, safety audits, and any history of problems involving the silo. If the facility had prior issues with overheating, material buildup, blocked vents, dust accumulation, electrical faults, or pressure problems, those records may be important.
The investigation should also consider whether workers were assigned to a task without adequate shutdown, isolation, cleaning, ventilation, or hazard assessment. If maintenance or repair work was occurring, procedures for controlling ignition sources, stored energy, and hazardous materials should be reviewed. A serious workplace injury at an industrial facility often involves more than the moment of injury. It may involve decisions made hours, days, or weeks earlier about equipment, staffing, inspections, and safety planning.
Work at Heights and Emergency Escape Concerns
The two employees were reportedly working on top of the silo when the explosion happened. That creates another layer of danger. Workers on elevated industrial equipment may have limited exit routes. After an explosion, smoke, heat, damaged stairs, ladders, platforms, or handrails can make descent more difficult.
Investigators should examine whether the workers had safe access to and from the top of the silo, whether fall protection was required, whether the access platform was damaged, and whether emergency escape procedures existed. Even though both workers were able to make their way down on their own, the situation could have been far worse if the explosion damaged the access route or caused either worker to lose balance.
The response should also be evaluated. Firefighters monitored the silo until it was emptied, suggesting concern about remaining material, heat, instability, or the possibility of additional hazards. That monitoring may provide important clues about what was inside the silo and whether the facility had procedures for safely controlling the hazard after the initial explosion.
Evidence That Should Be Preserved
Important evidence should be preserved immediately after an industrial explosion. This includes photographs and video of the silo, burn patterns, damaged equipment, sensors, electrical systems, ventilation components, material samples, maintenance records, inspection logs, safety procedures, work permits, employee statements, training records, and fire department findings.
The injured worker’s clothing, protective gear, gloves, eye protection, hard hat, boots, and any fall protection equipment should also be preserved. Personal protective equipment can show the type of exposure involved, whether the worker had appropriate protection, and whether company safety policies matched the actual hazard.
A formal accident report may provide early information about the response, injury, location of the explosion, and known conditions at the facility. But a serious industrial burn case often requires a more detailed investigation, including engineering review, process safety analysis, equipment inspection, and witness interviews.
There may also be issues involving spoliation of evidence if equipment is repaired, cleaned, discarded, or placed back into service before it can be inspected. Facility owners, employers, contractors, insurers, and equipment vendors should preserve key materials once they know a worker has been injured.
Medical Concerns After Second-Degree Burns
Second-degree burns can be extremely painful and may require more treatment than people initially expect. Depending on the size and location of the burn, treatment may include wound cleaning, dressings, pain management, infection monitoring, follow-up care, physical therapy, and specialist evaluation.
Burn injuries can also cause lasting problems. Scarring, sensitivity to heat and sunlight, reduced mobility, nerve pain, and psychological trauma may follow a serious industrial burn. If the burns involve the hands, arms, face, neck, or joints, the worker may have difficulty returning to the same job duties.
Industrial explosions can also cause injuries beyond visible burns. Workers may suffer smoke inhalation, eye injuries, hearing damage, respiratory irritation, blast trauma, falls, or emotional distress. Medical providers should evaluate the full injury picture, not just the most obvious burn wounds.
Legal Issues After an Asphalt Facility Explosion
Legal responsibility after an asphalt facility explosion depends on the evidence. Potentially responsible parties may include the facility owner, employer, maintenance contractor, equipment manufacturer, engineering contractor, safety consultant, or another company responsible for the silo, process equipment, or work being performed.
A legal investigation should determine who controlled the worksite, who assigned the task, who maintained the silo, who inspected the equipment, who trained the workers, and whether known hazards were properly addressed. If a contractor was working at the facility or if outside vendors maintained the silo system, those relationships should be reviewed carefully.
An industrial injury case may also require qualified expert witness review. Fire origin experts, mechanical engineers, process safety experts, industrial hygienists, and workplace safety professionals may be needed to determine why the explosion occurred and whether it could have been prevented.
A worker injured in an explosion may face medical bills, lost wages, reduced earning capacity, pain, scarring, and future treatment needs. Economic damages may include medical expenses, lost income, and rehabilitation costs. Non-economic damages may include pain, impairment, disfigurement, emotional distress, and the loss of normal daily activities.
Speak With an Industrial Accident Lawyer
Spagnoletti Law Firm represents workers injured in industrial explosions, burn injury cases, equipment failures, and serious workplace incidents. Our industrial accident attorneys investigate equipment maintenance, worksite safety practices, contractor responsibility, fire and explosion evidence, training records, inspection history, and the facts needed to determine what caused an injury.
We offer a free consultation, and we handle industrial accident and burn injury cases on a contingency fee basis, meaning there are no upfront attorney’s fees and we are paid only if we recover compensation for you.
If you or a loved one has been impacted by an industrial explosion, asphalt facility accident, or serious workplace injury, call Spagnoletti Law Firm at 713-804-9306 or contact us online.

