Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: T Clear Ck.

Road: Private

Latitude: 45.262061747

Longitude: -122.366205471

Elevation: 705 ft

Ownership: Private

Fish Presence: fish present

Survey date: 06/18/2002

Crossing Description

Type: pipe arch

Number of culverts at crossing: 2

Condition: +0.0 years left

Diameter: 36.0 x 50.4 in

Length: 30.0 ft

Crossing slope: 10.8 %

Avg. embedded: no material

Inlet design: non-mitered

Backwater drop: – 0.6 ft

Inlet elev: +0.5 ft

Avg. fill height: 3.0 ft

Road width: 9.0 ft

Habitat Description

Channel habitat type: moderately steep, narrow valley
Catchment acreage: 385

Avg. channel slope: 4.0%

Avg. bankfull width: 6.7 ft

Dist from Clackamas R.: 17.3 miles

Upstream fish-bearing length: 3814.0 ft

Dominant channel substrate: gravel / fine

Comments: One of two culverts. Neither culvert is corrugated. 8 ft between culverts. Only one has a chance of passing fish. Solution – Near failure. Pipe arch. Low headroom. Embed upstream and downstream, 30 ft long.

Prioritization and Cost Information

Fish passage: partial

Habitat priority: 59

Habitat and cost priority: 42

Fix solution: culvert w/ simulated streambed

Span: 8.0 ft

Material: metal

Design $3,500

Materials $4,290

Install $4,800

Contingencies $3,777

Total $16,367.00