Fish Passage Improvement site 20300972

Fish Passage Site 20300972

Coordinates (dec. deg.): 60.56327°, -151.12021°
Legal Description: S006N011W36
Region: South Central
Road Name: Kenai Spur Highway

Datum: NAD83
Quad Name / ITM: Kenai C-3
AWC Stream #: 244-30-10010-2025
Stream Name: Beaver Creek

Elevation:

Site Comments: None

Survey Date: Jun 21, 2001

Survey KPCS1-NK007

site photos

Observers: Cecil Rich, Tracy Smith, Michael Lund

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:

Comments: None

Culvert Measurements

ID: 1

Structure Type: Closed-bottom arch (Strutural Metal Plate)

Fish Passage Rating:

Length(ft): 112.0

Inlet Type: Mitered

Outlet Type:

Corrugation Depth(in.): 2.0

Corrugation Width(in.): 6.0

Condition Rating(1-5):

Approach Angle:

Sedimentation At Inlet:

Inlet Substrate: None

Outlet Substrate: None

	Inlet	Outlet
Width(ft):	9.9	9.1
Height(ft):	9.85	10.34
Apron Length(ft):
Water Depth(ft):	1.15	2.42
Rustline Height(ft):
Substrate Depth(ft):	0.19	0.81

Backwatered?:

Baffles Present: No

Embedded?: No

Outfall Height: 0.04

Outfall Type:

Constriction Ratio: 0.58

Culvert Gradient: 1.36%

Max Slope:

Max Slope Length:

Culvert Observations:

None of this type

Stream Measurements

Stream Substrates	Upstream	Downstream
Dominant:	Gravel	Cobble
Subdominant:	Gravel	Gravel

Stream Slope(deg.):
Stream Flow Stage:

Stream Width Type	Distance From Crossing (ft)	Stream Width (ft)
Downstream ordinary high water		37.50
Downstream ordinary high water	121.0	12.30
Downstream ordinary high water	181.0	16.00
Upstream ordinary high water	5.0	18.10
Upstream ordinary high water	50.0	13.40
Upstream ordinary high water	91.5	20.70

Elevations

Locator ID	Culvert Number	River Distance (ft)¹	Distance From Crossing (ft)²	Relative Elevation (ft)
D/S Thalweg				79.13
D/S Thalweg		0.00	181.0	82.73
D/S Water Surface Elev		0.00	181.0	83.40
D/S OHW Elev		0.00	181.0	83.73
D/S Water Surface Elev		60.00	121.0	83.79
D/S Thalweg		60.00	121.0	82.79
D/S OHW Elev		60.00	121.0	84.88
D/S Tailcrest or 1st Thalweg		102.00	79.0	83.34
OHW Left Bank		102.00	79.0	84.88
D/S Water Surface Elev		102.00	79.0	84.44
OHW Left Bank		176.00	5.0	84.52
Max Pool Depth		176.00	5.0	79.67
OHW Left Bank		176.00	5.0	85.36
Outlet Rustline Height	1	181.00	0.0	85.77
Outlet Culvert Top	1	181.00	0.0	93.32
Outlet Invert	1	181.00	0.0	82.98
Outlet Thalweg	1	181.00	0.0	82.98
Road Elev		237.00		102.09
Road Elev		237.00		102.13
Inlet Rustline Height	1	293.00	0.0	87.29
Inlet Culvert Top	1	293.00	0.0	94.35
Inlet Thalweg	1	293.00	0.0	84.69
Inlet Culvert Invert	1	293.00	0.0	84.50
U/S Thalweg	1	294.00	1.0	84.56
U/S Thalweg	1	298.00	5.0	84.04
U/S OHW elevation	1	298.00	5.0	86.10
U/S Water Surface Elev	1	298.00	5.0	86.96
U/S Thalweg	1	313.00	20.0	84.35
U/S Thalweg		343.00	50.0	84.04
U/S Water Surface Elev		343.00	50.0	86.12
U/S Headwater		343.00	50.0	86.35
U/S Headwater		384.50	91.5	86.48
U/S Water Surface Elev		384.50	91.5	86.23
U/S Thalweg		384.50	91.5	82.85

Notes:

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

Fish Sampling Efforts

Gear Type: Minnow Trap (A)		Trap Duration(h): 1.94

Gear Type: Minnow Trap (B)		Trap Duration(h): 2.75

Fish Observations

Species: adult stickleback-unspecified		Life History: Resident
Total Fish Observed: 5	Fish Measured:	Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (5)

Species: juvenile Pacific salmon-unspecified		Life History: Anadromous
Total Fish Observed: 16	Fish Measured:	Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (16)

Species: juvenile Chinook salmon		Life History: Anadromous
Total Fish Observed: 51	Fish Measured: 20	Fork Lengths (mm) Min: 69 Max: 120 Mean: 84
Collected/Observed by Gear Type: Downstream Minnow Trap (24) Upstream Minnow Trap (27)
Comments: > than 17 adult chinnook salmon in outlet pool

Species: juvenile coho salmon		Life History: Anadromous
Total Fish Observed: 33	Fish Measured: 16	Fork Lengths (mm) Min: 65 Max: 85 Mean: 73
Collected/Observed by Gear Type: Downstream Minnow Trap (19) Upstream Minnow Trap (14)

Species: juvenile rainbow trout		Life History: Resident
Total Fish Observed: 2	Fish Measured: 1	Fork Lengths (mm) Min: 121 Max: 121 Mean: 121
Collected/Observed by Gear Type: Upstream Minnow Trap (2)

Photos

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