Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 13, Problem 16P
To determine

The most cost-effective alternative using present worth analysis.

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The proposed steel bridge has an indefinite life. The initial cost of the bridge is $3,750,000 and annual maintenance costs are estimated to be $25,000. The bridge deck will be resurfaced every 10 years for $900,000 and anti-corrosion paint will be applied every 5 years for $250,000. If the interest rate is 8%, what is the EUAC?
C) Two alternatives have been proposed to construct a new road project to improve capacity and safety. The table below explains each alternative's costs: the initial construction costs, annual operating and maintenance costs after the first year, and resurface of road costs. Assume that the annual interest rate is 5%. Determine the present worth for each alternative, then choose the preferred alternative based on the economic criteria. by present worth Alternative The initial construction costs The annual operating and maintenance costs The resurface costs Service life (years) $4.000.000 $3.900 $850,000 (Every five years) 14 $3,800,000 $4,100 $800.000 (Every four years)
3- The maintenance costs for a bridge with an expected 50 years life are estimated to be ($10,000,000) each year for the first 5 years, followed by ($50,000,000) other costs at year 15, and ($75,000,000) at the year 30, if ( i = 10%), what is the annual uniform cost over the entire 50 years? %3D
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