Clear and Foster Creek 2002 Fish Passage Assessment

Watershed: Clear Creek

Stream: unknown

Road: unknown

Latitude: 45.3033291125

Longitude: -122.3933869322

Elevation: 682 ft

Ownership: County

Fish Presence: fish present

Survey date: No field survey

Crossing Description

Type: round culvert

Condition: unknown

Diameter: 24.0 in

Length: 61.0 ft

Crossing slope: 0.4%

Backwater drop: + 1.0 ft

Inlet elev: – 0.7 ft

Avg. fill height: 10.0 ft

Habitat Description

Channel habitat type: Moderately steep, narrow valley

Catchment acreage: 143.0

Avg. channel slope: 6.5%

Avg. bankfull width: 5.0 ft

Distance from Clackamas R.: 13.7 miles

Upstream fish-bearing length: 462. ft

Dominant channel substrate: none recorded

Comments: Fish barrier at tributary mouth. Inlet is a sculptured stream w/ponds. Outlet has a walking path 60 ft downstream. Solution – Doubtful adult fish passage because of large jump along with long length. Round culvert, embedded 65 ft long, placed at 6% slope. County estimate based on open box culvert.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 38

Habitat and cost priority: 51

Fix solution: culvert w/ simulated streambed

Span: 6.0 ft

Material: metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $100,000.00