Fish Passage Site 10302260

Coordinates (dec. deg.): 58.44103°, -135.76404°
Legal Description: C040S058E01
Region: Southeast
Road Name: Driveway off Mountain View Roa

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

Elevation:

Site Comments: Located under private drive adjacent Mt. View. Property has multiple structures surrounding a relatively open field lot. Culvert is approximately 400 feet upstream of OWR01.

Survey Date: Aug 14, 2011

Survey SEA11-MTV06

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio gray
  2. Culvert gradient gray

Comments: No fish data collected as stream is already in the AWC, none observed. Large pool at outlet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 40.5
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 3.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.5 5.5
Height(ft):5.5 5.5
Apron Length(ft):
Water Depth(ft): 2.03
Rustline Height(ft):2.5
Substrate Depth(ft):0.0 0.0
Backwatered?: Yes
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.7
Culvert Gradient: 1.14%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio gray
  2. Culvert gradient gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
Subdominant:SandSand
Stream Slope(deg.):0.07
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Upstream ordinary high water 30.0 7.80
Upstream ordinary high water 60.0 6.80
Upstream ordinary high water 90.0 9.10

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev 104.33
D/S Tailcrest or 1st Thalweg 0.00 96.10
D/S Water Surface Elev 0.00 96.65
Outlet Pool Water Elev 20.00 96.65
Max Pool Depth 20.00 93.70
Outlet Invert 45.00 94.63
D/S Water Surface Elev 45.00 96.66
Outlet Culvert Top 45.00 100.00
Inlet Culvert Top 95.50 100.66
Inlet Culvert Invert 95.50 95.09
U/S Water Surface Elev 95.50 96.62
U/S Headwater 96.00 96.64
U/S Water Surface Elev 255.00 96.75

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 fish observed at site.

Fish Observations

No fish observations occurred during this survey.

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