Fish Passage Site 10302234

Coordinates (dec. deg.): 58.52794°, -134.81419°
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: None

Survey Date: Jun 23, 2011

Survey SEA11-GLH05

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

Overall Fish Passage Rating: Gray

Tidal: Yes
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient gray

Comments: Dry at time of survey. Culvert might be tidally influence on high tides. Upstream from EPK01.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Structural steel plate) Fish Passage Rating: Gray
 
Length(ft): 83.7
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 5
Approach Angle: 2.0
Sedimentation At Inlet: Yes
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):11.9 12.0
Height(ft):5.8 6.0
Apron Length(ft):
Water Depth(ft): 0.0
Rustline Height(ft):
Substrate Depth(ft):1.2 1.0
Backwatered?: No
Baffles Present:
Embedded?: Yes
Embedded Depth(ft): 1.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.96
Culvert Gradient: 1.40%
Max Slope:
Max Slope Length:
 

Comments: Dry at time of Survey. Tidally influnced. Another culvert 150' downstream on a service trail road. Likely passable for fish in high tides despite gradient differential from stream.
  Culvert Observations:
  1. Culvert gradient gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelCobble
Subdominant:CobbleGravel
Stream Slope(deg.):0.2
Stream Flow Stage:Dry, Defined Channel
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 80.0 10.60
Upstream ordinary high water 110.0 11.20
Upstream ordinary high water 137.0 15.30

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 109.28
D/S Thalweg (Stream is dry at time of survey) 0.00 97.59
D/S Thalweg 40.00 97.94
Outlet Invert (On substrate) 88.00 98.31
Outlet Culvert Top 88.00 104.36
Inlet Culvert Top 171.70 105.53
Inlet Culvert Invert (On substrate) 171.70 99.53
U/S Thalweg 188.20 99.79
U/S Grade Ctrl (Thalweg) 238.70 99.40
U/S Grade Ctrl (Thalweg) 254.70 100.12
U/S Thalweg 290.10 99.25
U/S Grade Ctrl (Thalweg) 357.10 100.13
U/S Grade Ctrl (Thalweg) 401.10 99.56

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 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