Washington Revised Code Title 46. Motor Vehicles § 46.61.790. Intoxicated bicyclists

(1) A law enforcement officer may offer to transport a bicycle rider who appears to be under the influence of alcohol or any drug and who is walking or moving along or within the right-of-way of a public roadway, unless the bicycle rider is to be taken into protective custody under *RCW 70.96A.120.  The law enforcement officer offering to transport an intoxicated bicycle rider under this section shall:

(2) The law enforcement officer shall not provide the assistance offered if the bicycle rider refuses to accept it.  No suit or action may be commenced or prosecuted against the law enforcement officer, law enforcement agency, the state of Washington, or any political subdivision of the state for any act resulting from the refusal of the bicycle rider to accept this assistance.

(3) The law enforcement officer may impound the bicycle operated by an intoxicated bicycle rider if the officer determines that impoundment is necessary to reduce a threat to public safety, and there are no reasonable alternatives to impoundment.  The bicyclist will be given a written notice of when and where the impounded bicycle may be reclaimed.  The bicycle may be reclaimed by the bicycle rider when the bicycle rider no longer appears to be intoxicated, or by an individual who can establish ownership of the bicycle.  The bicycle must be returned without payment of a fee.  If the bicycle is not reclaimed within thirty days, it will be subject to sale or disposal consistent with agency procedures.