Asset Management Plan - Newcastle City Council

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