Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: Mosier Ck.

Road: Lower Highland

Latitude: 45.2618269103

Longitude: -122.4587102911

Elevation: 949 ft

Ownership: County

Fish Presence: fish present

Survey date: 06/26/2002


Crossing Description

Type: round culvert
Condition: 4.0 years left
Diameter: 36.0 in
Length: 75.0 ft
Crossing slope: 1.1 %
Backwater drop: + 3.5 ft
Avg. fill height: 23.3 ft

Habitat Description

Channel habitat type: steep narrow valley

Catchment acreage: 231

Avg. bankfull width: 8.0 ft

Dist from Clackamas R.: 16.1 miles

Upstream fish-bearing length: 1935.7 ft

Dominant channel substrate: none recorded

Comments: 4th and 9th joint has water coming in. Can see rebar at joints where concrete has been washed away. Solution – Concrete culvert combined with near limits of downstream jump and a tough approach. Pipe arch or round culvert with 75 ft length.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 36

Habitat and cost priority: 50

Fix solution: culvert w/ simulated streambed

Span: 8.0 ft

Material: metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $115,000.00