Fish Passage Site 20501250

Coordinates (dec. deg.): 61.76476°, -149.52072°
Legal Description: S019N001W06
Region: South Central
Road Name: Willow Fishhook Road

Datum: WGS84
Quad Name / ITM: Anchorage D-7
AWC Stream #:
Stream Name: Francie Creek

Elevation:

Site Comments: None

Survey Date: Sep 09, 2009

Survey MSB09-WFR12

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Outfall height red
  3. Constriction ratio red

Comments: No fish caught; DV(?) obs u/s. **Updated site photos and fish sampling information added from 9/20/16 site visit from Sampling Unmapped Streams in the MSB.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 30.2
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 26.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 2.9
Height(ft):3.0 2.9
Apron Length(ft):
Water Depth(ft): 0.45
Rustline Height(ft):1.3
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.34
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.38
Culvert Gradient: 1.66%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red
  2. Outfall height red
  3. Constriction ratio red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleGravel
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 120.0 8.50
Upstream ordinary high water 160.0 8.00
Upstream ordinary high water 220.0 6.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 1 97.15
U/S Headwater 1 98.17
D/S Grade Ctrl (Thalweg) 1 0.00 86.0 94.28
D/S Water Surface Elev (@GP) 1 0.00 86.0 94.83
D/S Tailcrest or 1st Thalweg 1 77.00 9.0 96.55
D/S Water Surface Elev (@TWC) 1 77.00 9.0 97.14
D/S Thalweg (bottom of outlet pool) 1 83.00 3.0 96.05
D/S Thalweg 1 86.00 0.0 96.83
Outlet Invert 1 86.00 0.0 97.04
Road Elev 1 101.00 101.94
Inlet Culvert Invert 1 116.20 0.0 97.54
U/S Grade Ctrl (Thalweg) 1 122.20 6.0 98.00
U/S Water Surface Elev (@GP) 1 122.20 6.0 98.54

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): 1.0
Comments: no fish caught; 100ft u/s
 
Gear Type: Visual Observation, Ground (B)
Comments: Visual observation of possibly a dolly varden upstream of culvert.

Fish Observations

No fish observations occurred during this survey.

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