Fish Passage Site 20501173

Coordinates (dec. deg.): 61.42235°, -149.91904°
Legal Description: S015N004W01
Region: South Central
Road Name: Cameo Road

Datum: WGS84
Quad Name / ITM: Anchorage B-8
AWC Stream #:
Stream Name: Goose Creek

Elevation:

Site Comments: Approach from north!

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 MSB09-CAM01

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height gray
  2. Culvert gradient red
  3. Constriction ratio gray
  4. Compound gradient in pipe
  5. Shallow fill; inadequate roadfill volume above culvert

Comments: Pipe overgrown at inlet; no water flowing in pipe 1; gradient is pipe only - subs not considered. CR w/o dry pipe #1 = 0.58

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 30.4
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 2
Approach Angle: 17.0
Sedimentation At Inlet: Yes
Inlet Substrate: Silt/Clay
Outlet Substrate: None
InletOutlet
Width(ft):3.8 3.9
Height(ft):3.4 4.1
Apron Length(ft):
Water Depth(ft): 0.37
Rustline Height(ft):0.7
Substrate Depth(ft):0.6 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.71
Culvert Gradient: 4.54%
Max Slope:
Max Slope Length:
 

Comments: No water flowing in pipe 1
  Culvert Observations:
  1. Culvert gradient red
  2. Constriction ratio gray
  3. Shallow fill; inadequate roadfill volume above culvert
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 30.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 2
Approach Angle: 17.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.8 3.8
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft): 0.29
Rustline Height(ft):1.9
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.71
Culvert Gradient: 2.67%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red
  2. Constriction ratio gray
  3. Shallow fill; inadequate roadfill volume above culvert
ID: 3 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 30.2
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 2
Approach Angle: 17.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.8 3.8
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft): 0.3
Rustline Height(ft):2.0
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.24
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.71
Culvert Gradient: 0.63%
Max Slope:
Max Slope Length:
 

Comments: pipe is gray, but max slope prob greater than measured slope - WS gradient = 1.59%
  Culvert Observations:
  1. Outfall height gray
  2. Culvert gradient gray
  3. Compound gradient in pipe
  4. Shallow fill; inadequate roadfill volume above culvert

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:CobbleSand
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 70.0 11.00
Upstream ordinary high water 125.0 9.00
Upstream ordinary high water 155.0 8.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Grade Ctrl (Thalweg) 0.00 106.0 94.71
D/S Water Surface Elev 0.00 106.0 94.94
D/S Tailcrest or 1st Thalweg 81.00 25.0 95.87
D/S Water Surface Elev 81.00 25.0 96.26
D/S Thalweg (bottom of plunge pool pipe 2) 2 100.00 6.0 94.18
D/S Thalweg (bottom of plunge pool pipe 3) 3 101.00 5.0 94.16
D/S Thalweg 1 101.00 5.0 95.01
D/S Thalweg (stream bed end of pipe) 3 106.00 0.0 95.36
Outlet Invert 1 106.00 0.0 95.91
Outlet Invert 2 106.00 0.0 95.99
Outlet Invert 3 106.00 0.0 96.22
Outlet Pool Water Elev 1 106.00 96.28
Outlet Pool Water Elev 2 106.00 96.28
Outlet Pool Water Elev 3 106.00 96.28
Road Elev 121.00 101.63
Inlet Culvert Invert (pool immed u/s) 3 136.00 0.0 96.41
Inlet Culvert Invert 2 136.00 0.0 96.79
U/S Headwater 3 136.00 97.00
U/S Headwater 2 136.00 97.01
Inlet Culvert Invert (on substrate (dirt) - no flow) 1 136.00 0.0 97.89

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

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.

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