Bridges, Infrastructure
Building category
Solid construction
Construction method
Detail planning, Planning of structural framework
Performed services
Inland
Region
January 2015
Processing time from
October 2016
Processing time until
DI Walter Reisenauer
Project manager
DI Sascha Grujic
Substitute project manager
Amt der Vorarlberger Landesregierung
Client
T-beam bridges
Type of bridge
1
Number of fields
29,90 m
Maximum span
30,90 m
Length of bride
253,00 m²
Expanse of bridge
Description of project
While building the L200, Bregenzerwaldstraße, the bridges across the Bregenzerach at the power station (km 45.91) and at Felderbrünnele (km 47.05) were erected in 1965. They are prestressed T-beam-bridges with a crossing angle of 65.50 gon. The spans of the bridges are 25.90 m respectively 29.90 m. Their carriageway width is 6.60 m and the edge beams on both sides show a height of 80 cm. As the bridge at the power station turns from a straight into a bend, the lane expands into the direction of Schröcken.
Felderbrünnele: single span bridge; span width: 29.90; length: 30,90 m; area: 253.38 m2
Power station: single span bridge; span width: 25.90 m; length: 26.90 m; area: 220.58 m2
Description of tasks
- Restauration while maintaining traffic (1/0-traiffic routing on the bridge)
- New building of edge beams on the supporting structure and wing walls by using steel safety kerbs instead of granite safety kerbs
- Renewal of bridge drainage, fall protection as well as road surface and bridge insulation
- Expansion joints had to be exchanged and newly dimensioned
- Bed stabilisation and slope stabilisation measures at bridge “Felderbrünnele”
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