Oregon Revised Statutes Highways, Roads, Bridges and Ferries § 373.210

(1) Such roads or streets are parts of any general system of state or county roads or highways; or

(2) Such roads or streets directly connect with state or county roads or highways;

(3) Such roads or streets afford an outlet from the limits of the city to adjoining state or county roads or highways; or

(4) Such roads or streets provide the most accessible or generally traveled route from within the city to beyond the limits of the city.