Diploma thesis is focused on design of the road bridge across the river Moravská Dyje, close the village Stare Hobzí. The are designed 3 studies of the bridge, of wich the trapezoidal slabroad with pitches is chosen for further development. Slabroad is assessed at ultimate limit state and serviceability by the valid standarts. Calculation of internal forces is made by computer program Scia Engineer 16.0.