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Crossing CL101
Clear and Foster Creek 2002 Fish Passage Assessment
Watershed: Clear Creek
Stream: T Clear Ck.
Road: Sylvan
Latitude: 45.3304389393
Longitude: -122.4260634547
Elevation: 308 ft
Ownership: Private
Fish Presence: fish present
Survey date: 06/26/2002
Crossing Description
Type: round culvert
Number of culverts at crossing: 4
Condition: +5.0 years left
Diameter: 30.0 in
Length: 41.0 ft
Crossing slope: 1.9 %
Avg. embedded: 24.0%
Type of embedding: sparse rock fill
Embedded material: cobble
Inlet design: non-mitered
Backwater drop: + 0.3 ft
Inlet elev: +0.0 ft
Avg. fill height: 5.3 ft
Road width: 13.0 ft
Road armor: cobble / fine
Habitat Description
Channel habitat type: moderate gradient, moderately confined
Catchment acreage: 980
Avg. channel slope: 2.8%
Avg. bankfull width: 16.2 ft
Dist from Clackamas R.: 9.0 miles
Upstream fish-bearing length: 2.7 miles
Dominant channel substrate: cobble / gravel
Comments: Four culverts. Solution – Probably a high priority culvert with CL100. No dirt on top. Very low cover, 15 ft width secondary road.
Prioritization and Cost Information
Fish passage: partial
Habitat priority: 10
Habitat and cost priority: 13
Fix solution: Open slab
Span: 25.0 ft
Material: concrete
Design $5,000
Materials $39,400
Install $22,990
Contingencies $20,217
Total $87,607.00
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