Evaluation of the expected effectiveness of the investment project in the uncertainty situation

The article analyzes the problem of evaluating the expected effectiveness of the construction of a bridge in the city, located on different banks of large lowland rivers. We propose an approach to solving the problem on the basis of application of economic-mathematical methods and expert technology, which allows a certain way to formalize and disclose various types of uncertainty that contributes to making informed investment decisions. For solving problems arising in the framework of the mentioned problems, the test of the theory of complex decision-making Kofman and methods of forming the information base calculations on the basis of expert assessments van Westendorp. In the experimental calculations carried out using the developed system models of the proposed construction of a fourth road bridge across the Ob river in Novosibirsk, demonstrated the impact of the adoption of the designers, investors, construction contractors and future operators of the bridge solutions that take into account not only commercial interests but also the interests of residents - future users of the services of a new artificial structures.