);

Crossing CL095 / CV5045

Clear and Foster Creek 2002 Fish Passage Assessment

CL095in

Watershed: Clear Creek

Stream: T Clear Ck.

Road: Mattoon

Latitude: 45.3197458423

Longitude: -122.4170105177

Elevation: 374 ft

Ownership: County

Fish Presence: fish present

Survey date: 06/26/2002

Crossing Description

Type: pipe arch

Condition: 6.0 years left

Diameter: 28.0 x 44.4 in

Length: 84.0 ft

Crossing slope: 0.9 %

Backwater drop: + 1.6 ft

Inlet elev: +0.2 ft

Avg. fill height: 5.0 ft

Habitat Description

Channel habitat type: ditch

Catchment acreage: 244

Avg. channel slope: 4.4%

Dist from Clackamas R.: 10.5 miles

Upstream fish-bearing length: 3392.3 ft

Dominant channel substrate: none recorded

Comments: Dam downstream. Solution – Because of the moderate drop and slope along with long length adult fish passage unlikely. Round culvert, embedded, 85 ft long, placed at 4%. County culvert estimate based on open box culvert.

Prioritization and Cost Information

Fish passage: no

Habitat priority: 60

Habitat and cost priority: 74

Fix solution: culvert w/ simulated streambed

Span: 6.0 ft

Material: metal

Design NA

Materials NA

Install NA

Contingencies NA

Total $135,000.00