B 28, new building between Rottenburg and Tübingen, construction phase 2, road construction from Rottenburg-Kiebingen to Tübingen-Bühl.

Road construction:

- Ground movements approx. 57,000 m 3 ;

- Milling work approx. 2 250 m 2 ;

- Frost protection layers approx. 12,000 m 3 ;

- Gravel base layers approx. 28,000 m 2 ;

- Bituminous base layers approx. 27,500 m 2 ;

- Bituminous binder courses approx. 23 500 m 2 ;

- Bituminous top layers approx. 27 500 m 2 ;

- Foil tray approx. 12 800 m 2 ;

- Rain retention basin approx. 400 m 3 .

Building 4.1:

- Static system: reinforced concrete frame;

- Superstructure cross-sectional shape: slab;

- Span: 8.18 m;

- total length of the bridge: 8.18 m;

- construction height: 0.70 m;

- width between the railings: 11.60 m;

- Excavation pit approx. 510 m 3 ;

- Concrete work approx. 265 m 3 ;

- Reinforcing steel approx. 42.00 to;

- Steel railing approx. 45.00 m.