Fish Passage Site 20501083

Coordinates (dec. deg.): 61.57822°, -149.73013°
Legal Description: S017N003W12
Region: South Central
Road Name: West Parks Highway

Datum: NAD83
Quad Name / ITM: Anchorage C-8
AWC Stream #: 247-50-10330-2050-3050-4019
Stream Name: Little Meadow Creek tributary

Elevation:

Site Comments: Another culvert approx 100' dwst which is a gravel ATV road.

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-MS059

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

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. None of this type

Comments: Culvert recently replaced, looks great.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 212.0
Inlet Type: Headwall
Outlet Type: Headwall
Corrugation Depth(in.): 0.8
Corrugation Width(in.): 3.0
Condition Rating(1-5): 5
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):6.5 6.6
Height(ft):5.6 5.4
Apron Length(ft):
Water Depth(ft):0.0 0.9
Rustline Height(ft):0.0
Substrate Depth(ft):0.9 0.6
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.6
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.9
Culvert Gradient: 1.56%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayGravel
Subdominant:OrganicCobble
Stream Slope(deg.):0.59
Stream Flow Stage:High
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 100.0 8.00
Downstream ordinary high water 130.0 7.00
Downstream ordinary high water 150.0 6.50

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev (MS060) 95.33
Road Elev (MS059) 104.91
D/S Thalweg 0.00 89.59
D/S Water Surface Elev 0.00 91.11
D/S Water Surface Elev 15.00 91.21
D/S Thalweg 15.00 90.55
D/S Thalweg 68.00 90.59
D/S Water Surface Elev 68.00 91.63
D/S Water Surface Elev 77.00 91.87
D/S Thalweg 77.00 91.12
D/S Thalweg 97.00 90.82
D/S Water Surface Elev 97.00 92.17
D/S Water Surface Elev (MS060) 100.00 92.36
D/S Water Surface Elev (MS060, Top of Baffle) 100.00 92.07
Outlet Invert (MS060) 101.00 91.61
Outlet Culvert Top (MS060) 101.00 94.47
Inlet Culvert Top (MS060) 139.00 96.49
Inlet Culvert Invert (MS060) 139.00 91.79
U/S Water Surface Elev (MS060) 139.00 92.52
D/S Water Surface Elev 146.00 92.80
D/S Thalweg 146.00 92.10
D/S Water Surface Elev 194.00 93.25
Outlet Culvert Top (MS059) 194.00 97.79
Outlet Invert (MS059) 194.00 92.37
U/S Water Surface Elev 222.00 94.57
U/S Water Surface Elev (MS059) 406.00 94.48
Inlet Culvert Top (MS059) 406.00 99.05
Inlet Culvert Invert (MS059) 406.00 93.62

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