Clear and Foster Creek 2002 Fish Passage Assessment

Watershed: Clear Creek

Stream: Little Clear Ck.

Road: Redland

Latitude: 45.3051214505

Longitude: -122.4264558086

Elevation: 347 ft

Ownership: County

Fish Presence: fish present

Survey date: 06/28/2002

Crossing Description

Type: box culvert

Condition: 7.0 years left

Diameter: 144.0 x 144.0 in

Length: 72.0 ft

Crossing slope: 3.1 %

Avg. fill height: 19.0 ft

Habitat Description

Channel habitat type: Low gradient, large floodplain

Catchment acreage: 5705.0

Avg. channel slope: 0.7%

Avg. bankfull width: 28.0 ft

Distance from Clackamas R.: 11.7 miles

Upstream fish-bearing length: 14.7 miles

Dominant channel substrate: none recorded

Comments: High velocity culvert. Concrete bottom creating sheeting. Solution – Concrete culvert has higher velocities at lower slopes. May consider in short-term a baffle retrofit with a downstream backwater control backwater. County estimate.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 3

Habitat and cost priority: 18

Fix solution: bridge

Span: 40.0 ft

Material: concrete/metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $605,000.00