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CROSSING CL088
Clear and Foster Creek 2002 Fish Passage Assessment
Watershed: Clear Creek
Stream: Little Clear Ck.
Road: Redland
Latitude: 45.3051214505
Longitude: -122.4264558086
Elevation: 347 ft
Ownership: County
Fish Presence: fish present
Survey date: 06/28/2002
Crossing Description
Type: box culvert
Condition: 7.0 years left
Diameter: 144.0 x 144.0 in
Length: 72.0 ft
Crossing slope: 3.1 %
Avg. fill height: 19.0 ft
Habitat Description
Channel habitat type: Low gradient, large floodplain
Catchment acreage: 5705.0
Avg. channel slope: 0.7%
Avg. bankfull width: 28.0 ft
Distance from Clackamas R.: 11.7 miles
Upstream fish-bearing length: 14.7 miles
Dominant channel substrate: none recorded
Comments: High velocity culvert. Concrete bottom creating sheeting. Solution – Concrete culvert has higher velocities at lower slopes. May consider in short-term a baffle retrofit with a downstream backwater control backwater. County estimate.
Prioritization and Cost Information
Fish passage: no
Habitat priority: 3
Habitat and cost priority: 18
Fix solution: bridge
Span: 40.0 ft
Material: concrete/metal
Design NA
Materials NA
Install NA
Contingencies NA
Total $605,000.00
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