How South Dakota's 'Slight/Gross' Negligence Law Impacts Motorcycle Accident Settlements

Understanding South Dakota's Unique Negligence Rule

Getting into a motorcycle accident is a terrifying experience, but dealing with the aftermath in South Dakota can be legally treacherous. Unlike most states that use a standard comparative fault system, South Dakota uses a very strict 'slight/gross' negligence rule under S.D. Codified Laws § 20-9-2. This means that if you are injured in an accident, you can only recover financial damages if your own fault in causing the crash was considered 'slight' in comparison to the at-fault driver's negligence.

If an insurance adjuster or a judge determines that your fault was more than slight, you could be completely barred from receiving any compensation for your medical bills, lost wages, or pain and suffering. Because insurance companies aggressively use this law to deny claims to bikers, it is absolutely essential to find a skilled local personal injury lawyer from our USA directory to protect your rights, whether your accident happened in Sioux Falls, Rapid City, or Aberdeen.

How specific Riding Behaviors Affect 'Slight' Fault

Insurance adjusters often hold deep biases against motorcyclists. They will actively look for any traffic violation you may have committed to argue that your negligence was more than 'slight.'

Illegal Lane-Splitting vs. Legal Lane-Sharing

Lane-splitting-riding your motorcycle between lanes of stopped or slowly moving traffic-is strictly illegal in South Dakota under S.D. Codified Laws § 32-20-9.3. If you were lane-splitting when a car merged into you, an insurance company will almost certainly argue that your negligence was significant, potentially destroying your claim. However, lane-sharing-where two motorcycles ride side-by-side in the same lane-is completely legal under S.D. Codified Laws § 32-20-9.1. Adjusters sometimes confuse the two to unfairly assign blame, making it critical to have a lawyer who understands South Dakota traffic codes.

The Impact of Missing Eye Protection

South Dakota law does not mandate helmets for riders over the age of 18, but S.D. Codified Laws § 32-20-4.1 does strictly require riders to wear approved eye protection unless their motorcycle has a windshield of sufficient height. If you were injured in a crash and suffered facial or head injuries, the defense will investigate whether you were wearing proper eye protection. If a bug or debris hit your unprotected eye and caused you to lose control, the court could rule that your negligence was more than slight, drastically reducing or eliminating your settlement. The precedent set in cases like Wood v. City of Crooks, 559 N.W.2d 558 (SD Supreme Court 1997) highlights how courts weigh the plaintiff's actions against the defendant's negligence.

Step-by-Step Process for Protecting Your Settlement

To successfully navigate the slight/gross negligence rule and maximize your payout, you must follow a strategic process immediately after the crash.

Step 1: Gathering Evidence at the Scene

Because you must prove the other driver's gross negligence, evidence is your best weapon. Take photographs of the skid marks, vehicle damage, and road conditions. This helps an accident reconstruction expert prove that the car driver was speeding, distracted, or ran a red light.

Step 2: Obtaining the Official Crash Report

You or your lawyer must obtain the official police report. If the local police or highway patrol responded, you will need to request the official State of South Dakota Investigator's Motor Vehicle Traffic Accident Report from the Office of Accident Records at the South Dakota Department of Public Safety, Pierre (accessible online via safesd.gov). This document often contains the officer's initial assessment of fault, which heavily influences the insurance adjuster.

Step 3: Defensive Strategies Against Insurance Adjusters

Never give a recorded statement to the at-fault driver's insurance company without your lawyer present. Adjusters are trained to ask leading questions designed to make you admit to speeding or being distracted, which they will instantly use to classify your negligence as more than 'slight.'

Step 4: Filing a Civil Lawsuit

If the insurance company refuses to offer a fair settlement by unfairly blaming you, your lawyer will file a formal lawsuit. You will file a Form UJS-232, South Dakota, Unified Judicial System, Civil Case Filing Statement alongside your formal complaint at the local court, such as the Minnehaha County Circuit Court, Sioux Falls or the Pennington County Circuit Court, Rapid City.

How Much Does a Motorcycle Lawyer Cost in SD?

Most personal injury lawyers in South Dakota work on a contingency fee basis. This means you do not pay any upfront hourly fees. The lawyer will advance the costs of the investigation, and they only get paid if they win your case.

• Attorney Fees: The standard contingency fee is typically 33% (one-third) of your final settlement if the case settles out of court, and it may increase to 40% if the case goes to a full jury trial.
• Court Filing Fees: Filing a civil lawsuit in a South Dakota Circuit Court generally costs around $95, plus $30 to $50 for the formal service of process by a sheriff or process server.
• Expert Witnesses: Hiring an accident reconstructionist to prove the other driver's gross negligence can cost between $2,500 and $5,000, which is deducted from your final settlement.

How Long Does the Settlement Process Take?

The timeline for a motorcycle accident claim in South Dakota varies based on the severity of your injuries and the insurance company's willingness to negotiate. If liability is clear and your injuries heal quickly, a settlement could be reached in 4 to 6 months. However, because the slight/gross negligence rule gives insurance companies a strong incentive to fight, many cases require litigation. A contested lawsuit that proceeds through discovery and trial can easily take 12 to 24 months to fully resolve.

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