New drainage system would prevent sand from reaching the Blue River
By Bob Berwyn
SUMMIT COUNTY — The Colorado Department of Transportation and Silverthorne hope to remediate a long-standing source of Blue River pollution this summer, when the highway department plans to redesign the drainage system on the I-70 bridges crossing the river.
The idea is to try and shunt at least some of the traction sand and the rest of the road gook in some kind of drainage pipe, starting in the middle of the bridges, and catch it in a basin on either end, said CDOT engineer Peter Kozinksi, who acknowledged that most of the sand has been running off the bridges for 40 years — and most of it ends up in the Blue River, a Gold Medal trout streamwhere Silverthorne and partners have invested hundreds of thousand of dollars in restoration. (more…)
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