Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: Swagger Ck.

Road: Private

Latitude: 45.2257376695

Longitude: -122.3771899929

Elevation: 893 ft

Ownership: Private

Fish Presence: fish present

Survey date: 06/25/2002

Crossing Description

Type: round culvert

Condition: +10.0 years left

Diameter: 48.0 in

Length: 22.0 ft

Crossing slope: 2.1 %

Avg. embedded: no material

Inlet design: non-mitered

Backwater drop: + 0.2 ft

Inlet elev: -0.1 ft

Avg. fill height: 7.2 ft

Road width: 10.0 ft

Road armor: cobble

Habitat Description

Channel habitat type: moderate gradient, confined

Catchment acreage: 2,556

Avg. channel slope: 1.3%

Avg. bankfull width: 9.6 ft

Dist from Clackamas R.: 20.8 miles

Upstream fish-bearing length: 3.2 miles

Dominant channel substrate: cobble / gravel / fine

Comments: Culvert is fortified with a buttress of cement bags. Solution – Has maintenance issues. Pipe arch 30 ft long, embedded.

Prioritization and Cost Information

Fish passage: partial

Habitat priority: 17

Habitat and cost priority: 7

Fix solution: culvert w/ simulated streambed

Span: 10.0 ft

Material: metal

Design $2,200

Materials $5,670

Install $5,050

Contingencies $3,876

Total $16,796.00