);

CROSSING CL118

Clear and Foster Creek 2002 Fish Passage Assessment

CL118out

Watershed: Clear Creek

Stream: unknown

Road: Hattan

Latitude: 45.3521350346

Longitude: -122.4912848111

Elevation: 310 ft

Ownership: County

Fish Presence: fish present

Survey date: 06/26/2002

Crossing Description

Type: box culvert

Condition: 4.0 years left

Diameter: 24.0 x 36.0 in

Length: 36.0 ft

Crossing slope: 1.3 %
Backwater drop: + 1.2 ft

Avg. fill height: 8.7 ft

Habitat Description

Channel habitat type: moderate gradient, moderately confined

Catchment acreage: 363
Avg. channel slope: 2.9%

Avg. bankfull width: 5.0 ft

Dist from Clackamas R.: 4.8 miles

Upstream fish-bearing length: 3277.0 ft

Dominant channel substrate: none recorded

Comments: Barbed wire and blackberry mess. Runs into wetland in field. Runs from field to field. Solution – Because of concrete lining likely to have velocity problems. Round culvert, embedded, 40 ft long placed at stream grade. County estimate based on open box.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 24

Habitat and cost priority: 21

Fix solution: culvert w/ simulated streambed

Span: 6.0 ft

Material: metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $50,000.00