(A) Bridges.
(1) All bridges intended for public use shall comply with the most recent edition of the American Association of Highway and Transportation Officials’ Standard Specifications for Highway Bridges. All new bridges and pilings intended for maintenance by the town and/or county shall be constructed of reinforced concrete and shall comply with the county’s standard specifications for road and drainage systems.
(2) Minimum bridge widths from curb face to curb face shall be the total of the lane widths approaching the bridge plus one foot.
(B) Causeways. Streets or roads may be constructed on causeways provided that:
(1) The roadway meets all other applicable regulations;
(2) The street centerline elevation at finish grade be minimum six and one-half feet above mean sea level;
(3) The side slopes (vegetated earth) be minimum 2:1. Steeper slopes may be used where acceptable stabilization material such as concrete cribbage is provided; and
(4) Shoulder width shall be six feet in width with a guiderail or nine feet in width without a guiderail.
(Ord. 20-8, passed 12-7-2000)