The Adjuster Says You Were 30 Percent at Fault. That Number Is Negotiable.
At some point in most Colorado injury claims an adjuster produces a percentage. You were 20 percent responsible, or 30, or 40. It arrives with the calm authority of a calculation, as though it had been derived from something rather than chosen.
It was chosen. There is no formula, no lookup table, and no neutral party assigning that figure. It is a position taken by a company with a direct financial interest in making it as large as possible, and in Colorado the incentive to inflate it is unusually strong, because at a certain threshold your claim stops being worth less and starts being worth nothing.
What the Statute Actually Says
Colorado’s rule lives at C.R.S. 13-21-111. The operative language is that a plaintiff’s own negligence does not bar recovery if that negligence was not as great as the negligence of the person from whom recovery is sought, and that any damages allowed are reduced in proportion to the plaintiff’s share.
Read the phrase carefully, because the arithmetic turns on it. Not as great as means your fault must be less than the defendant’s. At 49 percent you recover 51 percent of your damages. At exactly 50 percent, the statute directs the court to enter judgment for the defendant. You recover nothing.
This is modified comparative negligence rather than the pure version used in some states, where a plaintiff 90 percent at fault still collects 10 percent. Colorado’s cliff at the midpoint is the entire reason fault percentage negotiations are as contentious as they are.
The Cliff Is the Leverage
Consider what the structure does to settlement dynamics on a claim worth $200,000 in damages.
If the carrier concedes zero fault on your part, the claim is worth $200,000. At 25 percent it is worth $150,000. At 40 percent it is worth $120,000. At 50 percent it is worth nothing at all, and the file closes.
Every percentage point the adjuster can attach to you is worth $2,000 to their employer on that claim. That is not cynicism, it is arithmetic, and it explains behavior that otherwise looks irrational. It also explains why the threat of the 50 percent bar gets used to justify offers far below what a case is worth. The message is that a jury might put you over the line, so take the discount now.
How the Percentage Gets Built
The arguments recur across nearly every file. Speed, on the theory that you were exceeding the limit or driving too fast for conditions even if you were not cited. Attention, on the theory that a more alert driver would have avoided the collision. Seat belt use, though Colorado limits how that evidence may be used. Positioning, especially against motorcyclists and cyclists. Delayed treatment, which is not really about fault at all but about causation, and which gets folded into the fault conversation anyway. And the sudden discovery of a pre-existing condition that supposedly accounts for the injury.
Most of these are assertions rather than findings. A police report noting no citation is meaningful. Physical evidence establishing positions and speeds is meaningful. A carrier’s characterization of your inattention, absent evidence, is a bargaining position.
The Jury Does Not Just Pick a Number
If the case reaches trial, the statute directs a specific procedure that is worth understanding. The jury returns a special verdict stating the amount of damages that would have been recoverable if there had been no contributory negligence, and the degree of negligence of each party expressed as a percentage. The court then performs the reduction.
The practical consequence is that damages and fault are decided separately. A jury can find your injuries devastating and value them fully while still assigning you a share of responsibility, and the arithmetic happens afterward. Trying a case well means winning both questions, not treating one as a proxy for the other.
Not Every Mistake Is Negligence
There is a category error running through most adjuster fault arguments. They treat any imperfect decision by the injured person as legally relevant negligence. It usually is not.
The question is whether you failed to exercise the care a reasonably careful person would have exercised under the same circumstances, and whether that failure helped cause the harm. A driver who glanced at a passenger for a moment, who took a route that turned out to be worse, or who did not execute a flawless evasive maneuver in the fraction of a second available has not necessarily been negligent. People are held to a standard of reasonable care, not perfect hindsight.
Colorado also recognizes that a person confronted with a sudden emergency not of their own making is judged on what a reasonable person would do facing that emergency, not on what the ideal response would have been with time to deliberate. That principle matters enormously in crash cases, because the defense argument is almost always constructed backward from an outcome the injured person had roughly one second to avoid.
Empty Chairs and Designated Nonparties
Colorado also permits a defendant to designate a nonparty who allegedly contributed to the harm, and juries may allocate fault to that absent person or entity. In practice this means the driver who hit you can point at another motorist you never sued, at a road maintenance contractor, at a vehicle manufacturer, or at your own treating providers.
The consequence is significant. Colorado generally applies several liability rather than joint liability, so each defendant is responsible for its own percentage. Fault assigned to a nonparty who is not in the case is fault nobody pays for. Identifying every genuinely responsible party and bringing them in, rather than leaving empty chairs for the defense to fill, is a strategic decision made early in a case and very difficult to fix later.
The Reduction Applies Before the Cap
One interaction worth understanding. Comparative fault reduces the verdict proportionally, and Colorado separately limits noneconomic damages under C.R.S. 13-21-102.5. These are two different mechanisms operating on the same award, and a case can encounter both.
For most claims this is theoretical, because the practical ceiling is insurance coverage rather than either limit. But in a catastrophic case with substantial available coverage, the sequence in which reductions apply is a real question with real dollars attached, and it is worth having answered by someone who has litigated it rather than assumed.
How to Push the Number Down
Fault percentages respond to evidence, not to indignation. Physical evidence is the strongest lever, because vehicle damage patterns, resting positions, skid or yaw marks, and event data recorder downloads establish speed and sequence in ways that testimony cannot match. Independent witnesses matter for the same reason. Video from nearby businesses, residences, dash cameras, and increasingly from vehicles themselves settles disputes that would otherwise come down to two accounts.
Just as important is what you do not do. Do not apologize at the scene, because I am so sorry is human decency and it will be quoted as an admission. Do not give a recorded statement to the other driver’s insurer before you have counsel, because those interviews are structured to produce concessions on exactly these points. Do not guess at speeds or distances when you are not certain, because a bad estimate becomes a fact in the file. And do not accept the first percentage offered as though it were the result of a calculation. Our page on comparative fault in Colorado car accident claims covers how these disputes typically resolve.
Fault and Causation Are Separate Questions
One more distinction that gets deliberately blurred. Fault is about who caused the collision. Causation, in the damages sense, is about whether the collision caused the injuries claimed. Adjusters routinely mix them, using a causation argument to justify a fault percentage.
You will see this when a carrier points to a gap in treatment, a prior back injury, or a degenerative finding on imaging and folds it into a discussion of your responsibility for the crash. Those are causation arguments dressed as fault arguments. A pre-existing condition has nothing to do with whether you were driving carefully.
The response is to separate them and answer each on its own terms. Colorado law holds that a defendant takes the injured person as they find them, so aggravation of a pre-existing condition is compensable. Keeping fault and causation in separate conversations prevents a weak argument in one from contaminating the other.
A useful habit when an adjuster assigns you a percentage is to ask, in writing, what specific evidence supports it. Frequently there is no answer, or the answer is a characterization rather than a fact. Getting that on the record early tends to move the number well before anyone talks about filing suit.
Talk to a Colorado Injury Lawyer
Rampart Injury Lawyers represents injured people in Castle Rock, Douglas County, and along the I-25 corridor from Greenwood Village to Colorado Springs. Todd Travis and Jordan Travis prepare cases for juries, which is what changes a carrier’s willingness to defend an inflated fault percentage. If an adjuster has assigned you a share of the blame and used it to discount your claim, contact our office for a free consultation with an attorney.
