The city bridge inspection team has noted 4 bridges that need replacement. Resou

Question

The city bridge inspection team has noted 4 bridges that need replacement. Resources are available to do one of these. Estimates for the replacement costs have been received as follows where the cost reflects the accessibiltiy of the site, length, heigth etc.    Also shown are the number of vehicles per year that use each bridge that is an indicator of the size of the problem if the bridge would fail.   Using a 10 year time span, which one should be chosen. Proposal Costs to Replace Cars per year Oak Strret Bridge $19,000,000 14,500,000 2nd Ave. Bridge $20,000,000 14,000,000 River Street Bridge $21,500,000 16,000,000 Lincon Avenue Bridge $22,000,000 16,500,000 The city bridge inspection team has noted 4 bridges that need replacement. Resources are available to do one of these. Estimates for the replacement costs have been received as follows where the cost reflects the accessibiltiy of the site, length, heigth etc.    Also shown are the number of vehicles per year that use each bridge that is an indicator of the size of the problem if the bridge would fail.   Using a 10 year time span, which one should be chosen. Proposal Costs to Replace Cars per year Oak Strret Bridge $19,000,000 14,500,000 2nd Ave. Bridge $20,000,000 14,000,000 River Street Bridge $21,500,000 16,000,000 Lincon Avenue Bridge $22,000,000 16,500,000

Explanation / Answer

We choose the bridge which has more traffic and lesser cost..For this analysis we choose the bridge with highest Car/Cost ratio

This is bridge B 2nd Ave Bridge

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