Crossing FO003 / CV3262
Clear and Foster Creek 2002 Fish Passage Assessment
Watershed: Foster Creek
Stream: Foster Ck.
Road: Gerber
Latitude: 45.3766175628
Longitude: -122.4421943441
Elevation: 236 ft
Ownership: County
Fish Presence: fish present
Survey date: 07/11/2002
Crossing Description
Type: pipe arch
Condition: 2.0 years left
Diameter: 72.0 x 96.0 in
Length: 105.0 ft
Crossing slope: 0.3 %
Avg. fill height: 31.0 ft
Habitat Description
Channel habitat type: low gradient, confined
Catchment acreage: 1,963
Avg. channel slope: 0.9%
Avg. bankfull width: 25.0 ft
Dist from Clackamas R.: 1.0 miles
Upstream fish-bearing length: 4.0 miles
Dominant channel substrate: none recorded
Comments: Inlet has log jam. Outlet has concrete slab creating sheeting. Saw lamprey that could not make it up culvert. Solution – Concrete sheet at outlet impedes migration. Because of the small capacity, retrofit options are limited but could work in this gradient range. County estimate.
Prioritization and Cost Information
Fish passage: partial
Habitat priority: 6
Habitat and cost priority: 43
Fix solution: bridge
Span: 30.0 ft
Material: varied
Design NA
Materials NA
Install NA
Contingencies NA
Total $732,000.00