Fish Passage Site 20300974

Coordinates (dec. deg.): 60.53741°, -151.08567°
Legal Description: S005N010W08
Region: South Central
Road Name: Kenai Spur Highway

Datum: NAD83
Quad Name / ITM: Kenai C-3
AWC Stream #: 244-30-10010-2031
Stream Name: Unnamed

Elevation:

Site Comments: Lower culvert uner Kenai Spur Hwy.

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 KPCS1-NK009

Observers: Cecil Rich, Michael Lund, Tracy Smith

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Lower culvert uner Kenai Spur Hwy. Portion of data on site 8 data sheets.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 84.0
Inlet Type: Headwall
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.63
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.1
Apron Length(ft):
Water Depth(ft):0.6 0.63
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type:
Constriction Ratio:
Culvert Gradient: 4.26%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Cobble
Subdominant:Gravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 10.0 9.00
Downstream ordinary high water 52.0 8.30
Downstream ordinary high water 112.0 6.00
Upstream ordinary high water 5.0 7.70

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 78.36
D/S Thalweg 0.00 100.0 76.03
D/S Water Surface Elev 0.00 100.0 76.28
D/S OHW Elev 0.00 100.0 76.86
D/S Thalweg 48.00 52.0 77.97
D/S Water Surface Elev 48.00 52.0 78.34
D/S OHW Elev 48.00 52.0 78.63
D/S Tailcrest or 1st Thalweg 90.00 10.0 79.03
D/S Water Surface Elev 90.00 10.0 79.24
OHW Left Bank 95.00 5.0 79.28
OHW Left Bank 95.00 5.0 79.51
Max Pool Depth 95.00 5.0 78.36
Outlet Invert 1 100.00 0.0 78.65
Outlet Thalweg 1 100.00 0.0 78.65
Outlet Rustline Height 1 100.00 0.0 80.53
Outlet Culvert Top 1 100.00 0.0 81.74
Road Elev 142.00 111.51
Road Elev 142.00 111.53
Inlet Rustline Height 1 184.00 0.0 82.67
Inlet Culvert Top 1 184.00 0.0 85.23
Inlet Culvert Invert 1 184.00 0.0 82.23
Inlet Thalweg 1 184.00 0.0 82.23
U/S Thalweg 1 185.00 1.0 82.29
U/S Water Surface Elev 1 189.00 5.0 82.62
U/S Thalweg 1 189.00 5.0 82.21
U/S OHW elevation 1 189.00 5.0 83.40

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): 1.5
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.4

Fish Observations

Species: adult threespine stickleback Life History: Resident
Total Fish Observed: 50 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (50)  
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 11 Fish Measured: 5 Fork Lengths (mm) Min: 72 Max: 84 Mean: 76
Collected/Observed by Gear Type: Downstream Minnow Trap (7)  Upstream Minnow Trap (4)  
 
Species: juvenile/adult sculpin-unspecified Life History: Resident
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 90 Max: 90 Mean: 90
Collected/Observed by Gear Type: Upstream Minnow Trap (2)  

Photos

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