Fish Passage Site 10302176

Coordinates (dec. deg.): 58.39116°, -134.57527°
Legal Description: C040S066E19
Region: Southeast
Road Name: Aspen Avenue

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

Elevation:

Site Comments: None

Survey Date: Aug 26, 2011

Survey SEA11-ASA01

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 fish observed and no traps were set as stream is already in the AWC. Open bottom irregular aluminum structure.

Culvert Measurements

ID: 1 Structure Type: Other (Structural aluminum plate) Fish Passage Rating: Green
 
Length(ft): 55.4
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 3.0
Corrugation Width(in.): 9.0
Condition Rating(1-5): 5
Approach Angle: 7.0
Sedimentation At Inlet: Yes
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):8.5 8.5
Height(ft):3.5 4.2
Apron Length(ft):0.0 0.0
Water Depth(ft): 1.98
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: Yes
Baffles Present: No
Embedded?: Yes
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 1.88%
Max Slope:
Max Slope Length:
 

Comments: Open bottom irregular shaped aluminum structure. Ponded upstream and downstream from culvert.
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):
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 99.94
D/S Water Surface Elev 0.00 95.74
Misc. (Survey point, pond) 0.00 94.44
Outlet Culvert Top 5.00 98.17
D/S Water Surface Elev 5.00 95.74
Outlet Invert (On substrate) 5.00 93.76
U/S Water Surface Elev 60.40 95.74
Inlet Culvert Top 60.40 98.24
Inlet Culvert Invert (On substrate) 60.40 94.80
U/S Headwater 64.00 95.80

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

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.

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