John Hennessy III,
P.E.
This 2012 video describes our hazing techniques to deter starlings from roosting on the Interstate Bridge which carries Interstate 5 over the Columbia River between Oregon and Washington. Droppings from the starlings corrode the steel structure of the bridge and are unhealthy, unsafe and unpleasant for bridge users. These techniques are used nearly every winter.
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Columbia River, Washington, United States of America (USA).
CU. Sheep grazing. LS Sheep on approach to dam. LS Dam with sheep passing in foreground.
Builders Of Bridges – 1928 Bridge Construction Educational Documentary – rubythroat281 on YouTube
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