);

Crossing CL119

Clear and Foster Creek 2002 Fish Passage Assessment

CL119in

Watershed: Clear Creek

Road: McCubbin

Latitude: 45.3568143239

Longitude: -122.4694243577

Elevation: 249 ft

Ownership: County

Fish Presence: fish present

Survey date: 06/28/2002

Crossing Description

Type: round culvert

Number of culverts at crossing: 2

Condition: 5.0 years left

Diameter: 36.0 in

Length: 81.0 ft

Crossing slope: 0.2 %

Backwater drop: – 0.7 ft

Avg. fill height: 21.5 ft

Habitat Description

Channel habitat type: moderate gradient, headwater

Catchment acreage: 459

Avg. channel slope: 3.2%

Avg. bankfull width: 15.0 ft

Dist from Clackamas R.: 5.6 miles

Upstream fish-bearing length: 4402.1 ft

Dominant channel substrate: none recorded

Comments: One of two culverts. One of two pipes has 20 ft of metal and then turns into concrete. Last section is failing. Not fish passable. Solution – Lack of backwatering creates depth issues during low flows. Pipe arch, embedded, 85 ft long. County estimate based on open bottom design.

Prioritization and Cost Information

Fish passage: partial

Habitat priority: 19

Habitat and cost priority: 57

Fix solution: culvert w/ simulated streambed

Span: 15.0 ft

Material: metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $443,500.00