Fish Passage Site 10302256

Coordinates (dec. deg.): 58.42723°, -135.75864°
Legal Description: C040S058E01
Region: Southeast
Road Name: Tong Road

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

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 SEA11-TNR02

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

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio gray

Comments: Likely freefall to pool at lower water levels. No stream grade calculated due to insufficient and limited sighting through foilage.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Gray
 
Length(ft): 45.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 1.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):6.0 6.0
Height(ft):6.0 6.0
Apron Length(ft):
Water Depth(ft): 0.31
Rustline Height(ft):2.1
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.03
Outfall Type: Hydraulic Jump
Constriction Ratio: 0.63
Culvert Gradient: 0.33%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandSand
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 50.0 8.90
Upstream ordinary high water 100.0 10.00
Upstream ordinary high water 150.0 9.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 101.35
D/S Tailcrest or 1st Thalweg 0.00 92.95
D/S Water Surface Elev 0.00 94.64
Outlet Pool Water Elev 40.00 94.59
Max Pool Depth 40.00 89.61
Outlet Invert 50.00 94.31
D/S Water Surface Elev 50.00 94.62
Outlet Culvert Top 50.00 100.38
Inlet Culvert Top 95.10 100.01
U/S Headwater (Invert In) 95.10 95.31
Inlet Culvert Invert 95.10 94.16
U/S Grade Ctrl (Thalweg) 112.00 94.98
U/S Water Surface Elev 112.00 95.32

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