Fish Passage Site 10302189

Coordinates (dec. deg.): 58.36505°, -134.58970°
Legal Description: C040S066E31
Region: Southeast
Road Name: Glacier Highway

Datum: NAD83
Quad Name / ITM: Juneau B-2
AWC Stream #:
Stream Name: Duck Creek

Elevation:

Site Comments: None

Survey Date: Aug 25, 2011

Survey SEA11-GLH27

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. None of this type

Comments: No live fish observed and no traps set as stream is already in the AWC. Spawned out Pink/Chum carcasses upstream and downstream of culvert. Ditched.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 53.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 4.0
Sedimentation At Inlet: Yes
Inlet Substrate: Silt/Clay
Outlet Substrate: Silt/Clay
InletOutlet
Width(ft):7.5 7.5
Height(ft):4.8 4.2
Apron Length(ft):
Water Depth(ft): 2.59
Rustline Height(ft):3.3
Substrate Depth(ft):2.7 3.3
Backwatered?: Yes
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 2.7
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: -1.09%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:GravelGravel
Stream Slope(deg.):0.25
Stream Flow Stage:High

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 100.28
D/S Tailcrest or 1st Thalweg 0.00 94.54
D/S Water Surface Elev 0.00 96.55
Outlet Pool Water Elev 17.00 96.55
Max Pool Depth 17.00 93.79
Outlet Invert (On substrate) 18.00 93.96
D/S Water Surface Elev 18.00 96.55
Outlet Culvert Top 18.00 97.99
Inlet Culvert Top 71.10 98.18
Inlet Culvert Invert (On substrate) 71.10 93.38
U/S Water Surface Elev 71.10 96.61
U/S Headwater 72.00 96.60
U/S Water Surface Elev 296.00 97.16

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: Visual Observation, Ground (A)
Comments: Spawned out Pinks and Chums observed.
 
Gear Type: Visual Observation, Ground (B)
Comments: Spawned out Pinks and Chums 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