Fish Passage Site 20501188

Coordinates (dec. deg.): 61.59410°, -149.58215°
Legal Description: S017N002W02
Region: South Central
Road Name: Karsten Drive

Datum: WGS84
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Meadow Creek tributary

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 MSB23-MS114

Project Supervisor: Michael Mazzacavallo, Alaska Department of Fish and Game — Anchorage, AK
Observers: Michael Mazzacavallo, Kat Leavitt, Beth Evers

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio red
  2. Culvert gradient gray
  3. Woody Debris

Comments: 7 cylindrical structures vertically throughout the middle of pipe- potentially acting as support

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 40.12
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 4
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):3.9 4.0
Height(ft):3.85 4.0
Apron Length(ft):
Water Depth(ft):0.0 1.37
Rustline Height(ft):1.05
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.38
Culvert Gradient: 0.22%
Max Slope:
Max Slope Length:
 

Comments: -
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert gradient gray
  3. Woody Debris

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandSand
Subdominant:CobbleCobble
Stream Slope(deg.):0.22
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 44.0 8.50
Upstream ordinary high water 69.0 11.20
Upstream ordinary high water 83.0 8.40
Upstream ordinary high water 101.0 12.10

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 99.85
D/S Water Surface Elev 0.00 94.48
D/S Thalweg 0.00 92.80
D/S Thalweg 20.00 93.09
D/S Water Surface Elev 20.00 94.51
Outlet Invert 100.00 93.14
D/S Water Surface Elev 100.00 94.51
Outlet Culvert Top 100.00 96.91
Inlet Culvert Top 140.12 97.25
Inlet Culvert Invert 140.12 93.27
U/S Water Surface Elev 140.12 94.71
U/S Water Surface Elev 201.12 94.84
U/S Thalweg 201.12 93.44
U/S Thalweg 247.12 93.68
U/S Water Surface Elev 247.12 95.02

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.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov