Fish Passage Site 10302224

Coordinates (dec. deg.): 58.50625°, -134.77419°
Legal Description: C039S064E12
Region: Southeast
Road Name: Glacier Highway

Datum: NAD83
Quad Name / ITM: Juneau C-3
AWC Stream #:
Stream Name: Strawberry Creek side channel

Elevation:

Site Comments: None

Survey Date: Jul 25, 2011

Survey SEA11-GLH20

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

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient gray
  2. Inlet perch
  3. Road Fill (pushed off road by grader)

Comments: Inlet perch, imbedded at invert, substrate drops out inside pipe 4 feet inside. Juvenile salmonids visually observed down stream. No stream grade taken; too much brush and foliage.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated aluminum) Fish Passage Rating: Gray
 
Length(ft): 71.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 36.0
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):5.0 5.0
Height(ft):3.5 3.6
Apron Length(ft):
Water Depth(ft): 1.14
Rustline Height(ft):
Substrate Depth(ft):1.5 1.4
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.47
Culvert Gradient: 0.84%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient gray
  2. Inlet perch
  3. Road Fill (pushed off road by grader)

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Clay (legacy)Organic
Subdominant:OrganicClay (legacy)
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 20.0 3.10
Upstream ordinary high water 30.0 3.00
Upstream ordinary high water 40.0 4.10

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 104.76
D/S Water Surface Elev (continuous pool/glide system continues) 0.00 97.69
D/S Water Surface Elev 4.00 97.77
D/S Grade Ctrl (Thalweg) 4.00 97.47
D/S Tailcrest or 1st Thalweg 7.50 97.65
D/S Water Surface Elev 7.50 97.86
D/S Water Surface Elev 11.00 97.84
Outlet Invert (on substrate) 11.00 96.70
Outlet Culvert Top 11.00 100.00
Inlet Culvert Top 82.00 101.43
Inlet Culvert Invert (On substrate) 82.00 98.14
U/S Water Surface Elev 82.00 98.19
U/S Grade Ctrl (Thalweg) 86.00 98.75
U/S Water Surface Elev 86.00 98.93
U/S Headwater 86.50 98.94

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)
Channel Type: Main Channel (>50% of water flow)
Comments: Juvenile salmonids observed downstream from culvert.

Fish Observations

No fish observations occurred during this survey.

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