Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: T Moiser

Road: Lower Highland

Latitude: 45.2622509667

Longitude: -122.4398802247

Elevation: 1062 ft

Ownership: Private

Fish Presence: fish present

Survey date: 07/10/2002


Crossing Description

Type: round culvert

Condition: +5.0 years left

Diameter: 24.0 in

Length: 30.0 ft

Crossing slope: 0.9 %

Avg. embedded: 8.3%

Type of embedding: simulated streambed

Embedded material: fines

Inlet design: non-mitered

Backwater drop: – 0.2 ft

Inlet elev: +0.1 ft

Avg. fill height: 2.8 ft

Road width: 11.0 ft

Habitat Description

Channel habitat type: moderate gradient, moderately confined

Catchment acreage: 229

Avg. channel slope: 0.2%

Avg. bankfull width: 3.1 ft

Dist from Clackamas R.: 16.4 miles

Upstream fish-bearing length: 3791.7 ft

Dominant channel substrate: none recorded

Comments: Landowner says she had fish in creek historically. Solution – Much of downstream end of culvert is backwatered. Embedded round culvert 40 ft long.

Prioritization and Cost Information

Fish passage: partial

Habitat priority: 52

Habitat and cost priority: 29

Fix solution: culvert w/ simulated streambed

Span: 4.0 ft

Material: metal

Design $2,200

Materials $2,740

Install $5,050

Contingencies $2,997

Total $12,987.00