CROSSING CL123
Clear and Foster Creek 2002 Fish Passage Assessment
Watershed: Clear Creek
Stream: T Clear Ck.
Road: Springwater
Latitude: 45.3714578138
Longitude: -122.4675858294
Elevation: 291 ft
Ownership: Private
Fish Presence: fish present
Survey date: 07/10/2002
Crossing Description
Type: round culvert
Condition: +20.0 years left
Diameter: 36.0 in
Length: 38.5 ft
Crossing slope: 2.8 %
Avg. embedded: no material
Inlet design: non-mitered
Backwater drop: + 0.1 ft
Inlet elev: -0.1 ft
Avg. fill height: 4.9 ft
Road width: 14.0 ft
Road armor: cobble / gravel
Habitat Description
Channel habitat type: moderate gradient, confined
Catchment acreage: 733
Avg. channel slope: 5.4%
Avg. bankfull width: 7.7 ft
Dist from Clackamas R.: 2.8 miles
Upstream fish-bearing length: 2.3 miles
Dominant channel substrate: cobble / gravel
Comments: 2 Culverts. Fish in downstream pool. Single channel: island and side channel are 3-4x width. Sediment fill behind culvert. Solution – Backwatering at higher flows negates some of the slope effects. Round culvert, embedded, 40 ft long.
Prioritization and Cost Information
Fish passage: partial
Habitat priority: 5
Habitat and cost priority: 6
Fix solution: culvert w/ simulated streambed
Span: 8.0 ft
Material: metal
Design $3,500
Materials $6,720
Install $4,800
Contingencies $4,506
Total $19,526.00