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: 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 UPDATE-CAM01

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Gillian O'Doherty, Mark Eisenman

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year: 2013


Site Observations:

  1. None of this type

Comments: Replaced with a stream simulation culvert in June 2013. Site resurveyed 10/20/15. Stream still adjusting upstream. Upstream is very braided. Channel through culvert appears to have scoured a little. No fish observed during survey.

Culvert Measurements

ID: 1 Structure Type: Box culvert (Structural aluminum plate) Fish Passage Rating: Green
 
Length(ft): 36.7
Inlet Type: Headwall
Outlet Type: Headwall
Corrugation Depth(in.): 3.0
Corrugation Width(in.): 9.0
Condition Rating(1-5): 5
Approach Angle: 15.0
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):18.0 18.1
Height(ft):6.0 6.1
Apron Length(ft):
Water Depth(ft): 1.25
Rustline Height(ft):
Substrate Depth(ft):1.66 1.56
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 1.56
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.24
Culvert Gradient: -0.05%
Max Slope:
Max Slope Length:
 

Comments: Stream slope taken from site plans. Upstream stream slope is .54%, downstream stream slope is 1.67%.. Culvert dimensions from plans are 19.8' wide x 7.66' tall.

  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:BoulderGravel
Stream Slope(deg.):0.54
Stream Flow Stage:High
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 300.0 13.00
Downstream ordinary high water 500.0 14.60
Downstream ordinary high water 700.0 16.00

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev 101.19
D/S Thalweg (riffle) 0.00 90.66
D/S Water Surface Elev 0.00 91.93
D/S Grade Ctrl (Thalweg) (rock step across 1/2 of channel) 27.00 90.75
D/S Water Surface Elev 27.00 92.07
D/S Thalweg (end of rootwads) 66.00 91.43
D/S Water Surface Elev 66.00 92.49
Outlet Invert (On substrate) 89.00 91.61
D/S Water Surface Elev 89.00 92.86
Outlet Culvert Top (edge of culvert) 89.00 97.88
Outlet Culvert Top (On center bolt of outlet collar) 89.00 97.98
Inlet Culvert Top (edge of culvert) 125.70 97.86
Inlet Culvert Top (on center bolt of inlet collar) 125.70 97.96
Inlet Culvert Invert (on substrate) 125.70 91.68
Split into USWS and DSWS 125.70 92.99
U/S Grade Ctrl (Thalweg) (pile of rocks that cover about half of channel) 148.70 91.58
Split into USWS and DSWS 148.70 93.15
U/S Grade Ctrl (Thalweg) (log jam) 171.70 92.18
Split into USWS and DSWS 171.70 93.64

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: Visual Observation, Ground (A)

Fish Observations

No fish observations occurred during this survey.

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