Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: T Clear Ck.

Road: unknown

Latitude: 45.1443669449

Longitude: -122.2983083182

Elevation: 2857 ft

Ownership: USA

Fish Presence: fish present

Survey date: 06/11/2002

Crossing Description

Type: Drop culvert

Condition: unknown

Diameter: 36.0 in

Length: 44.2 ft

Crossing slope: 18.1 %

Avg. embedded: no material

Inlet design: not available

Backwater drop: + 1.4 ft

Inlet elev: +0.7 ft

Avg. fill height: 5.9 ft

Road width: 24.5 ft

Habitat Description

Channel habitat type: very steep headwater

Catchment acreage: 135

Avg. channel slope: 24.2%

Avg. bankfull width: 14.4 ft

Dist from Clackamas R.: 30.3 miles

Upstream fish-bearing length: 2532.7 ft

Dominant channel substrate: boulder – cobble

Comments: Channel goes subsurface under a debris flow deposit at 85 ft. No bedrock visible. Solution – Standpipe inlet. Slab with dirt pile over, 30 ft long.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 64

Habitat and cost priority: 69

Fix solution: Open slab

Span: 20.0 ft

Material: concrete

Design $5,000

Materials $32,400

Install $22,990

Contingencies $18,117

Total $78,507.00