europe bridge in austria, part of the a13

a13 austria austrian autobahn brennerautobahn bridge civil column columns connect connection construct construction country crossover europe european europebridge extensive fir firs flyover forest green grow growing height high hill hills infrastructure innsbruck landmark landscape level motorway mountain mountains natural nature outdoor outdoors outside overpass pile piles pillar pillars railing road span spanning spruce spruces summer sunny technical technique techniques toll tree trees tyrol under valley viaduct wood