Crossing CL099 / CV5038

Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: T Clear Ck.

Road: Mattoon

Latitude: 45.3316903045

Longitude: -122.4250519982

Elevation: 320 ft

Ownership: County

Fish Presence: fish present

Survey date: 06/25/2002

Crossing Description

Type: pipe arch

Condition: 10.0 years left

Diameter: 34.5 x 57.0 in

Length: 32.5 ft

Crossing slope: 0.4 %

Backwater drop: + 1.8 ft

Inlet elev: -0.3 ft

Avg. fill height: 7.8 ft

Habitat Description

Channel habitat type: moderate gradient, moderately confined

Catchment acreage: 973

Avg. channel slope: 3.6%

Avg. bankfull width: 18.0 ft

Dist from Clackamas R.: 9.1 miles

Upstream fish-bearing length: 2.6 miles

Dominant channel substrate: none recorded

Comments: Double culvert. Bedrock at outlet. Steelhead historically.

Prioritization and Cost Information

Fish passage: partial

Habitat priority: 11

Habitat and cost priority: 36

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