Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: unknown

Road: unknown

Latitude: 45.2206658931

Longitude: -122.2909252676

Elevation: 1268 ft

Ownership: County

Fish Presence: fish present

Survey date: 06/28/2002

Crossing Description

Type: round culvert

Condition: unknown

Diameter: 36.0 in

Length: 40.0 ft

Crossing slope: 1.0 %


Backwater drop: + 1.2 ft

Avg. fill height: 4.5 ft

Habitat Description

Channel habitat type: Moderate gradient, moderately confined

Catchment acreage: 820.0

Avg. channel slope: not available

Avg. bankfull width: 8.0 ft

Distance from Clackamas R.: 24.9 miles

Upstream fish-bearing length: 2.4 miles

Dominant channel substrate: none recorded

Comments: No upstream elevations taken. Inlet has pond draining into creek. Inlet has water coming in at joint and needs to be reset. Llamas grazing. Solution – Even though in slope range for partial barrier, it is concrete and would have excessive velocities at moderate length (40 ft). Pipe arch, 40 ft long. County culvert estimate based on open box.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 22

Habitat and cost priority: 45

Fix solution: culvert w/ simulated streambed

Span: 8.0 ft

Material: metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $203,000.00