Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: Little Clear Ck.

Road: off Elwood

Latitude: 45.1759829726

Longitude: -122.3250458985

Elevation: 1523 ft

Ownership: Private

Fish Presence: fish present

Survey date: 06/13/2002


Crossing Description

Type: round culvert

Condition: +20.0 years left

Diameter: 54.0 in

Length: 51.3 ft

Crossing slope: 4.4 %

Avg. embedded: no material

Inlet design: mitered

Backwater drop: + 1.5 ft

Inlet elev: -1.3 ft

Avg. fill height: 13.1 ft

Road width: 15.1 ft

Road armor: boulder / cobble

Habitat Description

Channel habitat type: moderate gradient, moderately confined

Catchment acreage: 1,407

Avg. channel slope: 5.5%

Avg. bankfull width: 11.1 ft

Dist from Clackamas R.: 25.7 miles

Upstream fish-bearing length: 3.9 miles

Dominant channel substrate: boulder – cobble

Comments: No bedrock showing. Fish observed in drop pool. Tributary junction 400 ft upstream.


Prioritization and Cost Information

Fish passage: no

Habitat priority: 23

Habitat and cost priority: 11

Fix solution: culvert w/ simulated streambed

Span: 12.0 ft

Material: metal

Design $2,200

Materials $10,000

Install $5,050

Contingencies $5,175

Total $22,425.00