Fish Passage Site 20200946

Coordinates (dec. deg.): 60.18277°, -149.36973°
Legal Description: S001N001W13
Region: South Central
Road Name: Bear Lake

Datum: NAD83
Quad Name / ITM: Seward A-7
AWC Stream #: 231-30-10080-2010-3065-4010
Stream Name: Bear Creek

Elevation:

Site Comments: There is a weir upstream at about 35 feet.

Survey Date: Sep 10, 2001

Survey KPCS1-EK070

Observers: Cecil Rich, William Glick, James Maple

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: There is a weir upstream at about 35 feet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 61.0
Inlet Type: Headwall
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):5.1 4.4
Height(ft):4.25 3.46
Apron Length(ft):
Water Depth(ft):2.17 1.88
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.04
Outfall Type:
Constriction Ratio: 0.6
Culvert Gradient: -0.20%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type
ID: 2 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 61.0
Inlet Type: Headwall
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):4.9 4.8
Height(ft):4.64 3.37
Apron Length(ft):
Water Depth(ft):2.46 2.04
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.04
Outfall Type:
Constriction Ratio: 0.6
Culvert Gradient: -0.51%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:BoulderBoulder
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 16.0 24.70
Downstream ordinary high water 50.0 21.30
Downstream ordinary high water 100.0 23.00
Upstream ordinary high water 5.0 21.50
Upstream ordinary high water 18.0 16.80

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
OHW Left Bank 84.98
D/S OHW Elev 0.00 100.0 84.48
D/S Thalweg 0.00 100.0 82.15
D/S Water Surface Elev 0.00 100.0 83.17
D/S Thalweg 50.00 50.0 83.04
D/S OHW Elev 50.00 50.0 84.65
D/S Water Surface Elev 50.00 50.0 84.00
OHW Left Bank 74.10 25.9 85.08
D/S Water Surface Elev 84.00 16.0 84.97
OHW Left Bank 84.00 16.0 85.27
D/S Tailcrest or 1st Thalweg 84.00 16.0 83.96
Max Pool Depth 95.00 5.0 83.12
D/S Thalweg 95.00 5.0 83.12
Outlet Invert 1 100.00 0.0 83.12
Outlet Thalweg 1 100.00 0.0 83.12
Outlet Invert 2 100.00 0.0 82.98
Outlet Thalweg 2 100.00 0.0 82.98
Outlet Culvert Top 2 100.00 0.0 86.35
Outlet Culvert Top 1 100.00 0.0 86.58
Outlet Rustline Height 2 100.00 0.0 84.15
Outlet Rustline Height 1 100.00 0.0 85.17
Road Elev 130.50 94.98
Road Elev 130.50 95.04
Inlet Culvert Top 1 161.00 0.0 87.25
Inlet Culvert Top 2 161.00 0.0 87.31
Inlet Rustline Height 2 161.00 0.0 85.31
Inlet Rustline Height 1 161.00 0.0 85.37
Inlet Culvert Invert 1 161.00 0.0 83.00
Inlet Thalweg 1 161.00 0.0 83.00
Inlet Culvert Invert 2 161.00 0.0 82.67
Inlet Thalweg 2 161.00 0.0 82.67
U/S Thalweg 1 162.00 1.0 83.10
U/S Thalweg 2 162.00 1.0 83.00
U/S Thalweg 2 166.00 5.0 83.79
U/S OHW elevation 1 166.00 5.0 85.48
U/S Thalweg 1 166.00 5.0 84.00
U/S Water Surface Elev 1 166.00 5.0 85.08
U/S Thalweg 1 170.50 9.5 84.25
U/S Thalweg 2 170.70 9.7 81.31
U/S Thalweg 179.00 18.0 84.42
U/S Headwater 179.00 18.0 85.85
U/S Water Surface Elev 179.00 18.0 85.35

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: Minnow Trap (A) Trap Duration(h): 1.05
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.1

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 33 Fish Measured: 15 Fork Lengths (mm) Min: 69 Max: 130 Mean: 103
Collected/Observed by Gear Type: Downstream Minnow Trap (10)  Upstream Minnow Trap (23)  

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