Fish Passage Site 20501526

Coordinates (dec. deg.): 62.14024°, -149.98689°
Legal Description: S024N004W27
Region: South Central
Road Name: Sawyer's Shady Street

Datum: WGS84
Quad Name / ITM: Talkeetna Mts A-6
AWC Stream #:
Stream Name: Buddy Creek

Elevation:

Site Comments: None

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 PRK09-UNP01

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Site Observations:

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

Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 20.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 2
Approach Angle: 14.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.0 4.0
Height(ft):3.9 4.0
Apron Length(ft):0.0 0.0
Water Depth(ft): 1.28
Rustline Height(ft):2.1
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: 0.39
Culvert Gradient: 1.40%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert gradient red
  3. Mechanical damage or joints parting
  4. Shallow fill; inadequate roadfill volume above culvert
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 19.9
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 1
Approach Angle: 14.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: Gravel
InletOutlet
Width(ft):3.8 3.7
Height(ft):4.2 3.6
Apron Length(ft):0.0 0.0
Water Depth(ft): 1.3
Rustline Height(ft):2.9
Substrate Depth(ft):0.0 0.5
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.19
Outfall Type: Hydraulic Jump
Constriction Ratio: 0.39
Culvert Gradient: -1.86%
Max Slope:
Max Slope Length:
 

Comments: Pipe 2 opening is bent; OH due to turbulence
  Culvert Observations:
  1. Constriction ratio red
  2. Mechanical damage or joints parting
  3. Shallow fill; inadequate roadfill volume above culvert
  4. Outfall height gray
ID: 3 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 18.9
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 2
Approach Angle: 14.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.1 3.7
Height(ft):3.9 4.0
Apron Length(ft):0.0 0.0
Water Depth(ft): 0.42
Rustline Height(ft):2.2
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: 0.39
Culvert Gradient: -1.06%
Max Slope:
Max Slope Length:
 

Comments: outlet 3 has 2nd pipe fitted at end
  Culvert Observations:
  1. Constriction ratio red
  2. Compound gradient in pipe
  3. Mechanical damage or joints parting
  4. Shallow fill; inadequate roadfill volume above culvert

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelCobble
Subdominant:CobbleGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 80.0 18.00
Upstream ordinary high water 130.0 16.50
Upstream ordinary high water 190.0 16.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 1 96.88
Outlet Pool Water Elev 2 96.89
Outlet Pool Water Elev 3 97.03
U/S Headwater 1 97.46
U/S Headwater 3 97.49
U/S Headwater 2 97.50
D/S Water Surface Elev (ws at TWC) 0.00 6.7 96.88
D/S Tailcrest or 1st Thalweg (TWC pipe 1 GP for main thalweg) 0.00 6.7 95.56
D/S Thalweg 3 1.70 5.0 95.28
D/S Thalweg 1 1.70 5.0 95.32
D/S Thalweg 2 1.70 5.0 95.87
Outlet Invert 1 6.70 0.0 95.69
Outlet Invert 2 6.70 0.0 95.78
Outlet Invert 3 6.70 0.0 96.68
Road Elev 16.20 101.11
Inlet Culvert Invert 1 25.70 0.0 95.97
Inlet Culvert Invert 3 25.70 0.0 96.48
Inlet Culvert Invert 2 25.70 0.0 95.41
U/S Thalweg 2 26.50 0.8 95.67
U/S Thalweg 1 26.70 1.0 95.87

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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