DE
EN
Reconstruction of bridge structure BW 454b carrying the St 578 over the A81:
- Construction as a steel-composite frame structure
- Integral composite steel bridge
- Double-web plate girder with fully welded steel box-girder webs and a reinforced concrete deck
- Span: 64.60 m, width: 12.10 m
- Structural height: 1.90 m (span) to 3.68 m (fixed end)
- Including superstructure and earthworks, cable installation and track construction
- Carried out in a joint venture with Hartleb Stahl- und Anlagenbau GmbH
Main works:
- Earthworks / excavation of construction pit: 21,000 m³
- Installation / backfilling: 17,000 m³
- Reinforced concrete: 2,950 m³
- Reinforcing steel: 560 tonnes
- Structural steel: 370 tonnes
- Superstructure waterproofing: 960 m²
- Sheeting: 400 m²
- Concrete demolition: 1,990 m³
- Asphalt paving: 4,990 m²
