Clear and Foster Creek 2002 Fish Passage Assessment


Watershed: Clear Creek

Stream: T Clear Ck.

Road: unknown

Latitude: 45.1474873652

Longitude: -122.2787532469

Elevation: 2566 ft

Ownership: USA

Fish Presence: fish present

Survey date: 06/11/2002

Crossing Description

Type: round culvert

Condition: +5.0 years left

Diameter: 31.0 in

Length: 75.0 ft

Crossing slope: 1.8 %

Avg. embedded: no material

Inlet design: non-mitered

Backwater drop: + 3.2 ft

Inlet elev: -0.6 ft

Avg. fill height: 16.4 ft

Road width: 21.0 ft

Habitat Description

Channel habitat type: very steep headwater

Catchment acreage: 215

Avg. channel slope: 8.2%

Avg. bankfull width: 12.5 ft

Dist from Clackamas R.: 29.9 miles

Upstream fish-bearing length: 1691.6 ft

Dominant channel substrate: boulder – cobble

Comments: A 40 ft waterfall 250 ft upstream of inlet. Solution – Culvert had marginal jump + slope plus length over 50 ft. 15 ft wide with dirt piled on vs. bridge 60 ft in long.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 69

Habitat and cost priority: 76

Fix solution: Open slab

Span: 20.0 ft

Material: concrete

Design $5,000

Materials $94,800

Install $22,600

Contingencies $35,370

Total $157,770.00