The idea: Asymmetrical two-arch hybrid structure based on the listed railway bridge (not realized)
Span of the main arch: approx. 200m, height 20m / Bridge width: 10m, roadway width: 7m

Press releases:

This is how the new bridge should look like:
OÖN –, 19.9.2014

Parisian architects design new Danube bridge:
Kurier, 18.9.2014
oö, 18.9.2014
OÖN –, 18.9.2014

Older posts
oö, 24.1.2014
OÖN –, 12.2.2013

Link to the association of the same organization: