Increased noise levels in the area are to be expected ifthe bridge is constructed. Noise due to construction would cause animals and birds to avoid the area around the bridge and their community. Noise is an issue that is present at all phases of the project but is likely to be greatest during construction, which is a relatively short-duration activity. Noise during this period would be related to the amount of heavy equipment operating during construction as well as environmental conditions.
Impact on the biological environment
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