American Football NCAA Rule 1-2-5
a. Each goal shall consist of two white or yellow uprights extending at least 30 feet above the ground with a connecting white or yellow horizontal crossbar, the top of which is 10 feet above the ground. The inside of the uprights and crossbar shall be in the same vertical plane as the inside edge of the end line. Each goal is out of bounds (see Appendix D).
b. Above the crossbar, the uprights shall be white or yellow and 18 feet, six inches apart inside to inside.
c. The designated uprights and crossbar shall be free of decorative material (Exception: 4-inch-by-42-inch orange or red wind directional streamers at the top of the uprights are permitted).
d. The height of the crossbar shall be measured from the top of each end of the crossbar to the ground directly below.
e. Goal posts shall be padded with resilient material from the ground to a height of at least six feet. Advertising is prohibited on the goals. One manufacturer’s logo or trademark is permitted on each goal post pad. Institutional and conference logos are allowed.
f. The home team is responsible for the availability of a portable goal if original goals are removed during the game for any reason.