Fish Passage Site 20401297

Coordinates (dec. deg.): 61.52158°, -149.57146°
Legal Description: S017N002W35
Region: South Central
Road Name: South Starflower Drive

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Lucy 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 MSB09-STF01

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year: 2004


Site Observations:

  1. None of this type

Comments: Post-replacement survey of MSCS1CT149. long profile done in 2011.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 52.6
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 5
Approach Angle: 6.0
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: Gravel
InletOutlet
Width(ft):4.3 4.4
Height(ft):3.1 3.1
Apron Length(ft):
Water Depth(ft): 0.27
Rustline Height(ft):0.4
Substrate Depth(ft):1.3 1.3
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 1.3
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.43
Culvert Gradient: 1.78%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelSand
Subdominant:SandCobble
Stream Slope(deg.):0.92
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 23.0 3.00
Upstream ordinary high water 60.0 3.50
Upstream ordinary high water 102.0 2.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth (max pool dwst) 1 0.00 94.52
D/S Water Surface Elev 1 0.00 95.02
D/S Grade Ctrl (Thalweg) (grade pt at top of riffle) 1 6.00 95.26
D/S Water Surface Elev 1 6.00 95.49
D/S Water Surface Elev (water surface at outlet) 1 10.00 95.60
Outlet Invert (invert on substrate) 1 10.00 95.38
Outlet Culvert Top 1 10.00 99.07
Road Elev 1 45.00 101.94
Top of Pipe Inlet 1 81.10 100.00
U/S Water Surface Elev (water surface at inlet) 1 81.10 96.62
Inlet Culvert Invert (invert on substrate) 1 81.10 96.28
U/S Grade Ctrl (Thalweg) (grade pt at top of riffle) 1 83.10 96.51
U/S Water Surface Elev 1 83.10 96.78
U/S Water Surface Elev (water surface for stream grad) 1 101.10 97.12
U/S Grade Ctrl (Thalweg) (grade pt at top of riffle) 1 120.10 97.15
U/S Water Surface Elev 1 120.10 97.49
U/S Water Surface Elev (water surface for stream grad) 1 193.10 97.97

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: Minnow Trap (A) Trap Duration(h): 1.25
Comments: 60ft u/s
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.25
Comments: no fish caught; 70ft d/s

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 1 Fish Measured: 1 Fork Lengths (mm) Min: 90 Max: 90 Mean: 90
Collected/Observed by Gear Type: Upstream Minnow Trap (1)  

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