Fish Passage Site 10302236

Coordinates (dec. deg.): 58.52784°, -134.81674°
Legal Description: C039S064E03
Region: Southeast
Road Name: Glacier Highway

Datum: NAD83
Quad Name / ITM: Juneau C-3
AWC Stream #:
Stream Name: Eagle River tributary

Elevation:

Site Comments: No traps set because stream was dry at time of survey, also in the AWC.

Survey Date: Jun 21, 2011

Survey SEA11-GLH03

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

Overall Fish Passage Rating: Green

Tidal: Yes
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. None of this type

Comments: None

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 81.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 5
Approach Angle: 8.0
Sedimentation At Inlet: Yes
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):8.5 9.0
Height(ft):4.5 4.5
Apron Length(ft):
Water Depth(ft): 0.0
Rustline Height(ft):
Substrate Depth(ft):0.8 0.8
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 0.8
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 2.24
Culvert Gradient: 1.20%
Max Slope:
Max Slope Length:
 

Comments: As creek was dry at time of survey, substrate elevations were used to calculate stream gradient.

  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:GravelGravel
Stream Slope(deg.):0.23
Stream Flow Stage:Dry
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Upstream ordinary high water 23.0 3.80
Upstream ordinary high water 54.0 3.90
Upstream ordinary high water 73.0 3.80

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev 104.83
D/S Grade Ctrl (Thalweg) (Dry) 0.00 94.88
D/S Tailcrest or 1st Thalweg (Dry) 25.00 94.97
Outlet Thalweg (Invert out, on substrate, dry) 35.00 95.48
Outlet Culvert Top (Invert out, on metal, TBM) 35.00 100.00
Inlet Culvert Top (Invert in, on metal) 116.10 100.98
Inlet Thalweg (Invert in, on substrate, dry) 116.10 96.46
U/S Grade Ctrl (Thalweg) (Dry) 131.10 97.76
U/S Grade Ctrl (Thalweg) (Dry) 134.10 97.10
U/S Grade Ctrl (Thalweg) (Dry) 148.10 96.72
U/S Grade Ctrl (Thalweg) (Dry) 159.10 97.20
U/S Grade Ctrl (Thalweg) (Dry) 193.10 97.06
U/S Grade Ctrl (Thalweg) (Dry) 212.10 97.28

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 site was dry at time of survey.

Fish Observations

No fish observations occurred during this survey.

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