hakalau bridge closure informaton
2/13/2017 3:25:45 PM
2/13/2017 3:25:41 PM
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tAS, Departrrrent <br />of Tronspori�alion <br />Federal Highway <br />Administration <br />Hawaii Federal -Aid Division <br />Mr. Ford Fuchigami, Director <br />Hawaii Department of Transportation <br />869 Punchbowl Street <br />Honolulu, HI 96813-5097 <br />February 6, 2017 <br />300 Ala Moana Blvd, Rm 3-306 <br />Box 50206 <br />Honolulu, HI 96850 <br />Phone: (808) 541-2700 <br />Fax: (808)541-2704 <br />In Reply Refer To: <br />HDA -HI <br />Subject: NATIONAL BRIDGE INSPECTION STANDARDS (NBIS) <br />PERFORMANCE YEAR 2016 NBIS ANNUAL PROGRAM <br />NOTICE OF NON-COMPLIANCE <br />HAWAII COUNTY HAKALAU STREAM BRIDGE [NBIS #0012900011000031 <br />Dear Mr. Fuchigami: <br />On December 20, 2007, the County of Hawaii Department of Public Works (DPW) developed a <br />Bridge Scour Monitoring Plan of Action and (POA) a Bridge Closure Plan for the subject bridge <br />due to the localized scour and undermining of the southeast and northwest corner of the arch <br />footing. The POA states "countermeasures will be included in the bridge rehabilitation contract <br />being programmed to be bidded in the 2nd quarter of 2010." <br />In March 2016, an underwater inspection report on the subject bridge detailed the scour and <br />identified the north end ledger supporting the abutment and bridge foundation to be scour critical <br />since the scour depth was 17 to 25 feet deep horizontally and 5.5 to 8 feet vertically and under <br />the bridge foundation. <br />In July 2016, we conducted an annual review of the bridges on the Island of Hawaii in <br />accordance with your National Bridge Inspection Standards (NBIS). During this review, the <br />Hawaii County Hakalau Stream Bridge was noted as a critical inspection finding and the county <br />was requested to provide a plan of corrective action to address the scour critical condition. <br />On August 4, 2016, we notified Hawaii Department of Transportation of the situation and listed <br />recommendations for interim measures, which included agreeing with DPW's thoughts that <br />restricting traffic to pedestrian traffic or complete closure of the bridge would be the safest <br />precaution to take until the structural repairs can be accomplished. <br />On August 31, 2017, DPW submitted a Plan of Action. Over five months has passed and it is <br />our understanding that DPW has yet to initiate or complete all of the 6 items. <br />
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