Section 68-1109 - Roadway and grade of bridges and culverts on county and township roads and on highways over railroad tracks(a) Except as otherwise provided, all bridges constructed on county major collector roads or highways and on county minor collector roads or highways shall have a clear roadway of not less than 24 feet. Except as otherwise provided, bridges constructed on township and local service roads and highways shall have a clear roadway of not less than 20 feet. A bridge over 100 feet in length constructed on a county major collector road or highway or on a county minor collector road or highway may have a clear roadway of less than 24 feet, if approved by the county engineer, and a bridge over 100 feet in length constructed on a township or local service road or highway may have a clear roadway of less than 20 feet when approved by the county engineer.(b) All culverts constructed on county major collector roads or highways or on county minor collector roads or highways shall have a clear roadway of not less than 24 feet. The roadway of any bridge constructed on any public road or highway over the tracks of any railroad shall not be less than 24 feet wide for any county major collector road or highway or county minor collector road or highway and not less than 20 feet wide for any township or local service road or highway.L. 1917, ch. 80, § 9; R.S. 1923, 68-1109; L. 1961, ch. 299, § 25; L. 1975, ch. 427, § 143; L. 1986, ch. 252, § 5; L. 2005, ch. 84, § 9; July 1.