CROSSING CL051
Clear and Foster Creek 2002 Fish Passage Assessment
Watershed: Clear Creek
Stream: T Clear Ck.
Road: private
Latitude: 45.2457171909
Longitude: -122.4061216137
Elevation: 1098 ft
Ownership: Private
Fish Presence: fish present
Survey date: 06/20/2002
Crossing Description
Type: round culvert
Condition: +5.0 years left
Diameter: 30.0 in
Length: 42.6 ft
Crossing slope: 1.9%
Avg. embedded: no
Inlet design: non-mitered
Backwater drop: + 5.7 ft
Inlet elev: – 0.4 ft
Avg. fill height: 4.4 ft
Road width: 10.0 ft
Road armor: fine
Habitat Description
Channel habitat type: Moderate gradient, moderately confined
Catchment acreage: 329.0
Avg. channel slope: 2.5%
Avg. bankfull width: 5.5 ft
Distance from Clackamas R.: 18.8 miles
Upstream fish-bearing length: 2999 ft
Dominant channel substrate: cobble – gravel – fine
Comments: Not fish passable. Solution – Combination of slope, drop and length creates fish passage problems. Round culvert sunken into streambed, 40 ft long. Control elevation with culvert embedding.
Prioritization and Cost Information
Fish passage: no
Habitat priority: 57
Habitat and cost priority: 33
Fix solution: culvert w/ simulated streambed
Span: 6.0 ft
Material: metal
Design $2,200
Materials $3,300
Install $5,050
Contingencies $3,165
Total $13,715.00