DOT 23 CFR PART 668-2011 EMERGENCY RELIEF PROGRAM.pdf
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1、361 Federal Highway Administration, DOT Pt. 668 661.53 What standards should be used for bridge design? (a) ReplacementA replacement structure must meet the current geo-metric, construction and structural standards required for the types and volumes of projected traffic on the fa-cility over its des
2、ign life consistent with 25 CFR part 170, Subpart D, Ap-pendix B and 23 CFR part 625. (b) RehabilitationBridges to be re-habilitated, as a minimum, should con-form to the standards of 23 CFR part 625, Design Standards for Federal-aid Highways, for the class of highway on which the bridge is a part.
3、661.55 How are BIA and Tribal owned IRR bridges inspected? BIA and Tribally owned IRR bridges are inspected in accordance with 25 CFR part 170.504170.507. 661.57 How is a list of deficient bridges to be generated? (a) In consultation with the BIA, a list of deficient BIA IRR bridges will be develope
4、d each fiscal year by the FHWA based on the annual April up-date of the NBI. The NBI is based on data from the inspection of all bridges. Likewise, a list of non-BIA IRR bridges will be obtained from the NBI. These lists would form the basis for identi-fying bridges that would be considered potentia
5、lly eligible for participation in the IRRBP. Two separate master bridge lists (one each for BIA and non- BIA IRR bridges) will be developed and will include, at a minimum, the fol-lowing: (1) Sufficiency rating (SR); (2) Status (structurally deficient or functionally obsolete); (3) Average daily tra
6、ffic (NBI item 29); (4) Detour length (NBI item 19); and (5) Truck average daily traffic (NBI item 109). (b) These lists would be provided by the FHWA to the BIADOT for publica-tion and notification of affected BIA regional offices, Indian Tribal govern-ments (ITGs), and State and local gov-ernments
7、. (c) BIA regional offices, in consulta-tion with ITGs, are encouraged to prioritize the design for bridges that are structurally deficient over bridges that are simply functionally obsolete, since the former is more critical struc-turally than the latter. Bridges that have higher average daily traf
8、fic (ADT) should be considered before those that have lower ADT. Detour length should also be a factor in selection and sub-mittal of bridges, with those having a higher detour length being of greater concern. Lastly, bridges with higher truck ADT should take precedence over those which have lower t
9、ruck ADT. Other items of note should be whether school buses use the bridge and the types of trucks that may cross the bridge and the loads imposed. 661.59 What should be done with a deficient BIA owned IRR bridge if the Indian Tribe does not support the project? The BIA should notify the Tribe and
10、encourage the Tribe to develop and submit an application package to FHWA for the rehabilitation or re-placement of the bridge. For safety of the motoring public, if the Tribe de-cides not to pursue the bridge project, the BIA shall work with the Tribe to either reduce the bridges load rating or clos
11、e the bridge, and remove it from the IRR inventory in accordance with 25 CFR part 170 (170.813). PART 667 RESERVED PART 668EMERGENCY RELIEF PROGRAM Subpart AProcedures for Federal-Aid Highways Sec. 668.101 Purpose. 668.103 Definitions. 668.105 Policy. 668.107 Federal share payable. 668.109 Eligibili
12、ty. 668.111 Application procedures. 668.113 Program and project procedures. Subpart BProcedures for Federal Agencies for Federal Roads 668.201 Purpose. 668.203 Definitions. 668.205 Policy. 668.207 Federal share payable from emer-gency fund. 668.209 Eligibility of work. 668.211 Notification, damage a
13、ssessment, and finding. VerDate Mar2010 09:39 May 11, 2011 Jkt 223076 PO 00000 Frm 00371 Fmt 8010 Sfmt 8010 Y:SGML223076.XXX 223076wwoods2 on DSK1DXX6B1PROD with CFRProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-362 23 CFR Ch. I (4111 Edition) 668.1
14、01 668.213 Application procedures. 668.215 Programming and project proce-dures. AUTHORITY: 23 U.S.C. 101, 120(e), 125 and 315; 49 CFR 1.48(b). Subpart AProcedures for Federal-Aid Highways SOURCE: 52 FR 21948, June 10, 1987, unless otherwise noted. 668.101 Purpose. To establish policy and provide pro
15、-gram guidance for the administration of emergency funds for the repair or re-construction of Federal-aid highways, which are found to have suffered seri-ous damage by natural diasters over a wide area or serious damage from cata-strophic failures. Guidance for applica-tion by Federal agencies for r
16、econ-struction of Federal roads that are not part of the Federal-aid highways is contained in 23 CFR part 668, subpart B. 52 FR 21948, June 10, 1987, as amended at 61 FR 67212, Dec. 20, 1996 668.103 Definitions. In addition to others contained in 23 U.S.C. 101(a), the following definitions shall app
17、ly as used in this regulation: Applicant. The State highway agency is the applicant for Federal assistance under 23 U.S.C. 125 for State highways and local roads and streets which are a part of the Federal-aid highways. Betterments. Added protective fea-tures, such as rebuilding of roadways at a hig
18、her elevation or the length-ening of bridges, or changes which modify the function or character of a highway facility from what existed prior to the disaster or catastrophic failure, such as additional lanes or added access control. Catastrophic failure. The sudden fail-ure of a major element or seg
19、ment of the highway system due to an external cause. The failure must not be pri-marily attributable to gradual and pro-gressive deterioration or lack of proper maintenance. The closure of a facility because of imminent danger of collapse is not in itself a sudden failure. Emergency repairs. Those r
20、epairs in-cluding temporary traffic operations undertaken during or immediately fol-lowing the disaster occurrence for the purpose of: (1) Minimizing the extent of the dam-age, (2) Protecting remaining facilities, or (3) Restoring essential traffic. External cause. An outside force or phenomenon whi
21、ch is separate from the damaged element and not pri-marily the result of existing condi-tions. Heavy maintenance. Work usually done by highway agencies in repairing damage normally expected from sea-sonal and occasionally unusual natural conditions or occurrences. It includes work at a site required
22、 as a direct re-sult of a disaster which can reasonably be accommodated by a State or local road authoritys maintenance, emer-gency or contingency program. Natural disaster. A sudden and un-usual natural occurrence, including but not limited to intense rainfall, floods, hurricanes, tornadoes, tidal
23、waves, landslides, volcanoes or earthquakes which cause serious damage. Proclamation. A declaration of emer-gency by the Governor of the affected State. Serious damage. Heavy, major or un-usual damage to a highway which se-verely impairs the safety or usefulness of the highway or results in road clo
24、-sure. Serious damage must be beyond the scope of heavy maintenance. State. Any one of the United States, the District of Columbia, Puerto Rico or the Virgin Islands, Guam, American Samoa or Commonwealth of the North-ern Mariana Islands. 52 FR 21948, June 10, 1987, as amended at 61 FR 67212, Dec. 20
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