Asset Management Plan - Newcastle City Council

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Bridges and Other Highway Structures Cycle Plan17.3 ConditionThe condition of the asset isassessed by inspection andstructural assessment. Structuralassessments are a numericalassessment of a structures loadcarrying capacity and have beencarried out on all load bearinghighway structures subject to 40tonne vehicle loading. Theseassessments have been carriedout as part of the national bridgeassessment programme.Bridge inspections are carried out in accordance with the standards andrecommendations of the Department for Transport. Principal Inspections are aclose detailed inspection of a structure where as a General inspection is more ofa limited inspection.Table 17.3.1 Bridge Inspection DetailsInspection Type Frequency Asset Type CoveredGeneral InspectionsEvery 2 years except Culverts,which are inspected yearly.All highway structures(unless subject to a PrincipalInspection)Principal Inspections Every 6 years All highway structuresSpecial InspectionsPost Tension Inspections1, 3, 6, 12 monthly or asrequested.Once only (subject to nationalguidance)On weak or potentiallyhazardous structuresPost Tensioned StructuresUnderwater Inspections Every 6 years On vulnerable structurescarried out as part of aprincipal inspectionThe condition of a bridge is identified following a General Inspection and is ratedusing the County Surveyors Society (CSS) Bridge Condition Index. The conditionindicators for an individual bridge (BCI) or a stock of bridges (BSCI) areevaluated using the data collected during the bridge inspections, which typicallyreport the condition of different elements (e.g. main beams, abutments, drainageetc.) according to a predefined scale set out in the CSS inspection.The BCI values can be interpreted broadly as the “percentage service potential”of a bridge. Thus a BCI value of 100 implies that the bridge has retained 100% ofits service potential; a value of 60 implies that the bridge has lost 40% of itsservice potential and a value of 0 implies that the bridge is no longer serviceable.156
Bridges and Other Highway Structures Cycle PlanThe BCI av is the average BCI for a bridge evaluated taking into account thecondition of all structural elements in a bridge. The BCI crit is the critical BCI for abridge evaluated taking into account the condition of those elements deemed tobe of a very high importance to the bridge.The BSCI av and BSCI crit is a measure of the above condition index values for allbridges in the stock.Table 17.3.2 gives an interpretation of the BSCI av and BSCI crit values in terms ofthe general condition of the bridge stock. In deciding on the level of funding to beallocated to different bridge stocks, it should be recognised that the fundingrequired for a stock, which is in poor condition, e.g. BSCI 50, can be very highcompared to another stock which is in a fair condition with a BSCI 75, to obtainthe same increase in BSCI value.Table 17.3.2 Interpretation of Average and Critical Stock valuesScore100 – 95Very Good94 – 90Good89 – 80Fair79-65Poor64 – 40Very Poor39 – 0SeverAverage Stock Conditionbased on BSCI avStructure stock is in a very goodcondition. Very few structuresmay be in a moderate to severecondition.Structure stock is in a goodcondition. A few structures maybe in a severe condition.Structure stock is in a faircondition. Some structures maybe in a severe condition.Structure stock is in a poorcondition. A significant number ofstructures may be in a severecondition.Structure stock is in a very poorcondition. Many Structures maybe in a severe condition.Structure stock is in a severecondition. Many structures maybe unserviceable or close to it.Critical Stock Condition basedon BSCI critVery few critical load bearing elementsmay be in a moderate to severecondition. Represents very low risk topublic safety.A few critical load bearing elementsmay be in a severe condition.Represents a low risk to public safety.Some critical load bearing elements,may be in a severe condition. Somestructures may represent a moderaterisk to public safety unless mitigationmeasures are put in place.A significant number of critical loadbearing elements, may be in a severecondition. Some structures mayrepresent a significant risk to publicsafety unless mitigation measures areput in place.Many critical load bearing elementsmay be unserviceable and close to itand are in a potentially hazardouscondition. Some structures mayrepresent a significant risk to publicsafety unless mitigation measures areput in place.Majority of critical load bearingelements may be unserviceable orclose to it and are in a potentiallyhazardous condition. Some structuresmay represent a very high risk to publicsafety unless mitigation measures areput in place.The Structure Condition shall be measured for the following structure types,157
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Newcastle City Council - Highway As
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Executive Summary0.2 Goals and obje
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Executive SummaryTable 0.2 - Overal
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Executive SummaryThe Levels of Serv
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Executive SummaryTable 0.3 - Highwa
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Executive Summary0.9 Performance Ga
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Introduction1.0 Introduction1.1 Def
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IntroductionTo ensure that the HAMP
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Goals, Objectives & Policies3.0 Goa
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Inventory & Condition Assessment4.0
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Levels of Service• Transport Act
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Levels of Service5.2.2 PavementsThe
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Levels of Service• In each of the
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Levels of Serviceinvestment, leadin
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Levels of ServiceTable 5.4 CPA - Tr
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Levels of Service• Financial cons
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Levels of ServiceTable 5.1 Service
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Levels of ServiceTable 5.1 Service
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Lifecycle Option Appraisalmaintenan
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Decision Makingcomplicated procedur
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Risk AssessmentThe table below prov
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Forward Works Programme9.0 Forward
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Performance Measurement11.0 Perform
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Asset Information Strategy13.0 Asse
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Asset Information StrategyInformati
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Asset Information StrategyTable 13.
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Asset Information Strategy13.3.3 Up
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Asset Information StrategyThe infor
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Asset Information Strategy13.5 Brid
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Asset Information Strategy13.5.2 Re
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Asset Information Strategybudget re
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Asset Information StrategyLocationT
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Asset Information StrategyThe infor
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Asset Information Strategy13.8 Stre
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Carriageways Life Cycle Plan• Ins
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Carriageways Life Cycle PlanAlthoug
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Carriageways Life Cycle PlanTable 1
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Carriageways Life Cycle PlanFigure
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Page 107 and 108: Carriageways Life Cycle PlanTable 1
Page 113 and 114: Carriageways Life Cycle Plan14.7.4
Page 115 and 116: Carriageways Life Cycle Plan14.8.2
Page 117 and 118: Carriageways Life Cycle Planformall
Page 121 and 122: Footways & Cycleways Life Cycle Pla
Page 141 and 142: Highway Green Spaces Life Cycle Pla
Page 155 and 156: Bridges and Other Highway Structure
Page 157: Bridges and Other Highway Structure
Page 177 and 178: Traffic Signals Life Cycle Plan18.0
Page 179 and 180: Traffic Signals Life Cycle PlanTabl
Page 181 and 182: Traffic Signals Life Cycle Plan18.5
Page 189 and 190: Traffic Signals Life Cycle Plan♦
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Page 195 and 196: Street Lighting Life Cycle Plan•
Page 197 and 198: Street Lighting Life Cycle PlanTabl
Page 199 and 200: Street Lighting Life Cycle Plan19.6
Page 201 and 202: Street Lighting Life Cycle PlanTabl
Page 203 and 204: Street Lighting Life Cycle Plan♦
Page 205 and 206: Street Lighting Life Cycle PlanBVPI
Page 207 and 208: Signs, Barriers & Street Furniture
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Signs, Barriers & Street Furniture
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Winter Maintenance Life Cycle PlanP
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Winter Maintenance Life Cycle PlanT
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Winter Maintenance Life Cycle PlanT
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Winter Maintenance Life Cycle PlanN
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Conclusions and Recommendations22.0
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Asset Management Plan - Newcastle City Council

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