Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: T Little Clear Ck.

Road: Brenton

Latitude: 45.2190974354

Longitude: -122.3350573362

Elevation: 973 ft

Ownership: Private

Fish Presence: fish present

Survey date: 06/28/2002

Crossing Description

Type: round culvert

Condition: +10.0 years left

Diameter: 48.0 in

Length: 53.0 ft

Crossing slope: 10.6 %

Avg. embedded: no material

Inlet design: non-mitered

Backwater drop: + 1.3 ft

Inlet elev: +0.1 ft

Avg. fill height: 11.0 ft

Road width: 11.0 ft

Road armor: gravel

Habitat Description

Channel habitat type: Moderate gradient, confined

Catchment acreage: 839.0

Avg. channel slope: 4.0%

Avg. bankfull width: 16.5 ft

Distance from Clackamas R.: 22.5 miles

Upstream fish-bearing length: 1.4 miles

Dominant channel substrate: cobble – gravel

Comments: Bedrock lip 5.5 ft from inlet. 8 inch tall step. Extends 6 ft upstream before going subsurface again.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 33

Habitat and cost priority: 52

Fix solution: Open slab

Span: 25.0 ft

Material: concrete

Design $5,000

Materials $92,400

Install $24,640

Contingencies $36,612

Total $158,652.00