Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: T of T of Little Clear Ck.

Road: Lower Highland

Latitude: 45.2594679874

Longitude: -122.4180095157

Elevation: 1093 ft

Ownership: County

Fish Presence: fish present

Survey date: 07/16/2002

Crossing Description

Type: round culvert

Condition: 7.0 years left

Diameter: 36.0 in

Length: 56.0 ft

Crossing slope: 0.7 %

Backwater drop: + 0.4 ft

Avg. fill height: 8.5 ft

Habitat Description

Channel habitat type: moderate gradient, moderately confined

Catchment acreage: 147

Dist from Clackamas R.: 16.1 miles

Upstream fish-bearing length: 874.9 ft

Dominant channel substrate: none recorded

Comments: No flow for long time. Little discernable channel. Small private slab culvert approx. 12 ft up drainage. No fish likely in this reach. Up elevation measured only at inlet of an upstream pond. Ford just upstream before pond. Down elevation only in scour pool. Solution – Concrete culvert marginal, adult fish passage low priority. Embedded round culvert, 56 ft long. Require profile data to verify slope and width.

Prioritization and Cost Information

Fish passage: partial

Habitat priority: 70

Habitat and cost priority: 67

Fix solution: culvert w/ simulated streambed

Span: 5.0 ft

Material: metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $46,000.00