23 C.F.R. § 661.5 What definitions apply to this regulation?
Title 23 - Highways
The following definitions apply to this regulation: Construction engineering (CE) is the supervision and inspection of construction activities; additional staking functions considered necessary for effective control of the construction operations; testing materials incorporated into construction; checking shop drawings; and measurements needed for the preparation of pay estimates. Functional obsolescence (FO) is the state or process of being one in which the deck geometry, load carrying capacity (comparison of the original design load to the State legal load), clearance, or approach roadway alignment no longer meets the usual criteria for the system of which it is an integral part. Indian reservation road means a public road that is located within or provides access to an Indian reservation or Indian trust land or restricted Indian land which is not subject to fee title alienation without the approval of the Federal Government, or Indian and Alaska Native villages, groups, or communities in which Indians and Alaskan Natives reside, whom the Secretary of the Interior has determined are eligible for services generally available to Indians under Federal laws specifically applicable to Indians. Indian reservation road bridge means a structure located on an Indian reservation road (IRR), including supports, erected over a depression or an obstruction, such as water, a highway, or a railway, and having a track or passageway for carrying traffic or other moving loads, and having an opening measured along the center of the roadway of more than 20 feet between undercopings of abutments or spring lines of arches, or extreme ends of the openings for multiple boxes; it may also include multiple pipes, where the clear distance between openings is less than half of the smaller contiguous opening. Public authority means a Federal, State, county, town, or township, Indian tribe, municipal or other local government or instrumentality with authority to finance, build, operate, or maintain toll or toll-free facilities. Public road means any road or street under the jurisdiction of and maintained by a public authority and open to public travel. Structural deficient (SD) bridge means a bridge that has been restricted to light vehicles only, is closed or requires immediate rehabilitation to remain open. Sufficiency rating (SR) means the numerical rating of a bridge based on its structural adequacy and safety, essentiality for public use, and its serviceability and functional obsolescence.
Title 23: Highways
PART 661—INDIAN RESERVATION ROAD BRIDGE PROGRAM
§ 661.5 What definitions apply to this regulation?
