Fish Passage Site 10302242

Coordinates (dec. deg.): 58.43782°, -135.66740°
Legal Description: C040S059E04
Region: Southeast
Road Name: Wilson Road, Berry Creek Drive

Datum: NAD83
Quad Name / ITM: Juneau B-5
AWC Stream #:
Stream Name: Rink Creek tributary

Elevation:

Site Comments: Wilson Road, Berry Creek Drive.

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey SEA11-WLR04

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Jason Olds, Charmagne Gutierrez

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red
  2. Constriction ratio gray

Comments: No stream grade calculated, ditch adjacent Wilson Rd, dense foilage, estimated at <1%, nearly flatwatered throughout. Juvenile fish observed upstream and downstream of culverts, likely Coho. Culvert 1 dry, set higher. Continuous glide upstream and downstream.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 24.8
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 13.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 0.0
Rustline Height(ft):0.9
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 1.5
Outfall Type: Free Fall on To Rip Rap
Constriction Ratio: 0.6
Culvert Gradient: 0.65%
Max Slope:
Max Slope Length:
 

Comments: Pipe is dry.

  Culvert Observations:
  1. Outfall height red
  2. Constriction ratio gray
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 28.8
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 13.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 0.23
Rustline Height(ft):0.9
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 1.11
Outfall Type: Free Fall on To Rip Rap
Constriction Ratio: 0.6
Culvert Gradient: 0.63%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Outfall height red
  2. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySand
Subdominant:SandGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Upstream ordinary high water 50.0 7.10
Upstream ordinary high water 100.0 7.40
Upstream ordinary high water 150.0 6.80

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev 98.07
D/S Tailcrest or 1st Thalweg 0.00 91.59
D/S Water Surface Elev 0.00 91.91
Outlet Pool Water Elev 8.00 91.91
Max Pool Depth 8.00 90.70
Outlet Culvert Top (C2) 2 24.00 95.79
Outlet Invert (C2) 2 24.00 92.79
D/S Water Surface Elev (C2) 2 24.00 93.02
Outlet Invert (C1, dry) 1 27.00 93.41
Outlet Culvert Top (C1) 1 27.00 96.49
Inlet Culvert Top (C1) 1 51.80 97.63
Inlet Culvert Invert (C1, dry) 1 51.80 93.57
Inlet Culvert Top (C2) 2 55.80 95.92
U/S Water Surface Elev (C2) 2 55.80 93.47
Inlet Culvert Invert (C2) 2 55.80 92.97
U/S Headwater 56.00 93.51

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Visual Observation, Ground (A) Trap Duration(h): 0.25
Channel Type: Main Channel (>50% of water flow)
Comments: Visual observations, juvenile salmonids-likely Coho upstream and downstream of culvert.
 
Gear Type: Visual Observation, Ground (B) Trap Duration(h): 0.25
Channel Type: Main Channel (>50% of water flow)
Comments: Visual observations, juvenile salmonids, likely Coho

Fish Observations

Species: juvenile salmonid-unspecified Life History: Unknown
Total Fish Observed: 2 Fish Measured: 2 Fork Lengths (mm) Min: 80 Max: 80 Mean: 80
Collected/Observed by Gear Type: Downstream Visual Observation, Ground (1)  Upstream Visual Observation, Ground (1)  

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