Fish Passage Site 10302255

Coordinates (dec. deg.): 58.42498°, -135.75792°
Legal Description: C040S058E12
Region: Southeast
Road Name: Mountain View Road

Datum: NAD83
Quad Name / ITM: Juneau B-6
AWC Stream #:
Stream Name: Good River

Elevation:

Site Comments: Private drive adjacent Mt. View road.

Survey Date: Aug 11, 2011

Survey SEA11-MTV05

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Jason Olds, Charmagne Gutierrez

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio red
  2. Culvert is too short
  3. Hydraulic flows exceeded capacity

Comments: No fish observed or traps set as stream is already in the AWC. Deep pool at outlet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 20.7
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 20.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.0 4.0
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft): 0.5
Rustline Height(ft):3.2
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.4
Culvert Gradient: 0.05%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert is too short
  3. Hydraulic flows exceeded capacity

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandSand
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):0.07
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 100.0 10.40
Upstream ordinary high water 225.0 10.90
Upstream ordinary high water 280.0 8.90

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 97.24
D/S Tailcrest or 1st Thalweg 0.00 90.92
D/S Water Surface Elev 0.00 91.60
Outlet Pool Water Elev 30.00 91.64
Max Pool Depth 30.00 87.54
D/S Water Surface Elev 47.00 91.62
Outlet Invert 47.00 91.12
Inlet Culvert Invert 67.70 91.13
U/S Water Surface Elev 67.70 91.83
U/S Headwater 70.00 91.93
U/S Water Surface Elev 96.00 91.90
U/S Water Surface Elev 365.00 92.08

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: None (A)
Comments: No traps set no fish observed.

Fish Observations

No fish observations occurred during this survey.

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