CROSSING CL109 / CV5032
Clear and Foster Creek 2002 Fish Passage Assessment
Watershed: Clear Creek
Stream: T Clear Ck.
Road: Mattoon
Latitude: 45.3372983423
Longitude: -122.4285709944
Elevation: 315 ft
Ownership: County
Fish Presence: fish present
Survey date: 06/26/2002
Crossing Description
Type: round culvert
Condition: 7.0 years left
Diameter: 28.0 in
Length: 30.0 ft
Crossing slope: 3.1 %
Backwater drop: + 1.5 ft
Inlet elev: -0.2 ft
Avg. fill height: 4.1 ft
Habitat Description
Channel habitat type: Moderate gradient, moderately confined
Catchment acreage: 331.0
Avg. channel slope: 4.5%
Avg. bankfull width: 8.0 ft
Distance from Clackamas R.: 8.5 miles
Upstream fish-bearing length: 3075 ft
Dominant channel substrate: none recorded
Comments: 800 ft blockage pond downstream. Inlet looks good. Solution – Some embedding in culvert, adult passage likely. Pipe arch, embedded, 30 ft long. County estimate based on bridge design.
Prioritization and Cost Information
Fish passage: partial
Habitat priority: 54
Habitat and cost priority: 72
Fix solution: culvert w/ simulated streambed
Span: 8.0 ft
Material: metal
Design NA
Materials NA
Install NA
Contingencies NA
Total $203,000.00