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10/6/14
MINK 2014 1
} 1220 Secondary Road Miles } 884 Miles of Gravel } 184 Miles Earthen } 142 Miles Paved } 10 Miles Legal Not Open to Traffic } 257 Bridges } 66 Posted
} Steel Stringer 104 } Concrete Slab 41 } Concrete Beam 35 } Steel Pony Truss 34 } Concrete Box Culvert 23 } Cont Steam Beam 6 } Timber Stringer 6 } Corrugated Metal Culvert 4 } Other 4
10/6/14
MINK 2014 2
} Contract and Day Labor } Bridges replaced since 2000 ◦ Contract Bridge 20 ◦ Contract Culvert 14 ◦ Day Labor Bridge 36 ◦ Day Labor Culvert 35 ◦ Eliminated 5
} Categorize bridges ◦ Surface type ◦ ADT ◦ Sufficiency rating ◦ Drainage area ◦ How many users can be benefitted ◦ How can it be funded
} Completed by consultant and in house ◦ Past experience with ELEMENT LEVEL INSP Consultant Inspection cost ◦ Avg cost 2007 – 2012 $23,300 annually ◦ Avg cost 2013 – 2014 $47,400 annually
Currently completing all but Fracture Critical Inspections in house
10/6/14
MINK 2014 3
} Began implementation in 2012 cycle } Iowa County Engineers concerns } Responsible for increased cost } Does provide a comprehensive standardized
inspection report format. } Complies with NBIS for safety inspections
} Detailed Condition Assessment Measure quantities of bridge elements Assess condition state of elements Assess environment elements
Assign defect flags when appropriate
10/6/14
MINK 2014 4
} Current condition assessment } Deterioration forecasting } Utilize analytical methods and procedures
to assess the current and future conditions of bridges and to determine the best possible allocation of funds within a system of bridges.
} Element Level Inspection ◦ Not needed to manage local bridges ◦ Too expensive ◦ Will not provide a measureable outcome
10/6/14
MINK 2014 5
} Counties already utilizing BMS } Relatively small number of bridges } Engineers are knowledgeable of their bridges } Proportionally large variety of bridges } Analytical methods fail to address local
nuances } Some bridges just don’t need to be replaced } Federal funds only part of bridge replacement
} Cost have already increased significantly } Requires additional training } Requires additional software Requires additional time
} Was implemented in the 90’s with no follow thru
} Is not expected to change the way counties program bridges
} Do not require LPA’s to implement Element Level Inspection
} Work with State DOT’s to utilize the extensive data set already collected (via SIIM’s in Iowa) to provide the needed condition assessments of local bridges.
10/6/14
MINK 2014 6
} A system used by organizations that have RIFed, reorganized, promoted or grown themselves to such a level that they have a complete and total lack of consciousness of the assets under their purview.
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