Crossing FO011

Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Foster Creek

Stream: T Foster Ck.

Road: off Gerber

Latitude: 45.3767

Longitude: -122.4399167

Elevation: 242 ft

Ownership: Private

Fish Presence: unknown

Survey date: 07/11/2002

Crossing Description

Type: round culvert

Condition: +10.0 years left

Diameter: 25.0 in

Length: 27.5 ft

Crossing slope: 0.2 %

Avg. embedded: no material

Inlet design: non-mitered

Backwater drop: + 0.2 ft

Inlet elev: +0.1 ft

Avg. fill height: 5.7 ft

Road width: 11.0 ft

Road armor: fine

Habitat Description

Channel habitat type: none available

Catchment acreage: 131

Avg. channel slope: 1.0%

Avg. bankfull width: 4.2 ft

Dist from Clackamas R.: 1.2 miles

Upstream fish-bearing length: 0.0 ft

Dominant channel substrate: fine

Comments: Short profile. Impenetrable blackberry. Flat gradient and consistent channel form. Fish passable. Solution – Because of concrete lining likely to have velocity problems. Round culvert, embedded, 28 ft long.

Prioritization and Cost Information

Fish passage: partial

Habitat priority: 67

Habitat and cost priority: 37

Fix solution: culvert w/ simulated streambed

Span: 5.0 ft

Material: metal

Design $2,500

Materials $2,440

Install $3,850

Contingencies $2,637

Total $11,427.00