Road ecology blog: Multifunctional underpass for a stream and wildlife, US Hwy 93 South, Bass Creek north, south of Florence, Montana, USA. The gabion walls and sidewalks allowed for a shorter bridge and reduced costs. However, this may also lead to higher maintenance costs because of erosion.
Click here for images of other multifunctional underpasses.
Click here for more images of wildlife underpasses.
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