Fish Passage Site 20401317

Coordinates (dec. deg.): 61.55124°, -149.26212°
Legal Description: S017N001E22
Region: South Central
Road Name: Private

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #: 247-50-10260-2019-3020
Stream Name: Spring 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 MSCS1-SP060

Observers: Olof Jacobsson, Edward Weiss, Gary Wheeler

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating: Gray
 
Length(ft): 48.5
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Sand
Outlet Substrate: Sand
InletOutlet
Width(ft):4.0 4.0
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft):1.75 2.0
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: -1.67%
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): 48.5
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Sand
Outlet Substrate: Sand
InletOutlet
Width(ft):4.0 4.0
Height(ft):4.0 3.2
Apron Length(ft):
Water Depth(ft):1.6 1.6
Rustline Height(ft):
Substrate Depth(ft):0.0 0.8
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 0.23%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
U/S Thalweg 1 90.28
Outlet Culvert Top 2 94.17
Outlet Culvert Top 1 94.33
Inlet Culvert Top 1 94.65
Inlet Culvert Top 2 94.81
D/S Thalweg 0.00 7.0 90.29
OHW Left Bank 5.00 2.0 90.98
Outlet Invert 1 7.00 0.0 91.44
Outlet Thalweg 1 7.00 0.0 91.44
Outlet Invert 2 7.00 0.0 90.65
Outlet Thalweg 2 7.00 0.0 90.66
Road Elev 31.00 96.47
Road Elev 31.00 96.62
Inlet Thalweg 2 55.00 0.0 90.68
Inlet Culvert Invert 2 55.00 0.0 90.76
Inlet Thalweg 1 55.00 0.0 90.42
Inlet Culvert Invert 1 55.00 0.0 90.63
U/S Thalweg 2 59.00 4.0 89.94

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.

Photos

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