Fish Passage Site 50101559

Coordinates (dec. deg.): 64.79334°, -163.77440°
Legal Description: K008S025W17
Region: Arctic
Road Name: Council Road

Datum: NAD83
Quad Name / ITM: Solomon D-4
AWC Stream #:
Stream Name: Fox River tributary

Elevation:

Site Comments: Mile 65.8

Survey Date: Jul 01, 2006

Survey SEW05-COR04

Project Supervisor: Dave Ryland,
Observers: Dave Ryland, Kyle Negri

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Mechanical damage or joints parting
  2. Culvert gradient red
  3. Structural Problem

Comments: Overflow pipe with buried outlet

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 39.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5): 1
Approach Angle: 12.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.2 5.2
Height(ft):2.6 2.8
Apron Length(ft):
Water Depth(ft): 0.55
Rustline Height(ft):0.6
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.06
Outfall Type:
Constriction Ratio: 1.34
Culvert Gradient: 3.69%
Max Slope:
Max Slope Length:
 

Comments: 3.2' sect of outlet collapsed and blocking pipe, likely to reduce flow capacity; may impede fish passage; overflow pipe buried at outlet and not surveyed.

  Culvert Observations:
  1. Mechanical damage or joints parting
  2. Culvert gradient red
  3. Structural Problem

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:SandGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 35.0 5.30
Downstream ordinary high water 58.0 7.00
Upstream bank full 75.0 5.30
Upstream bank full 100.0 5.60
Upstream bank full 125.0 3.90
Upstream bank full 150.0 3.10
Upstream bed width
Upstream ordinary high water 75.0 4.50
Upstream ordinary high water 100.0 5.00
Upstream ordinary high water 125.0 3.40
Upstream ordinary high water 150.0 2.60

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Outlet Pool Water Elev 91.81
Max Pool Depth 1.05
D/S Grade Ctrl (Thalweg) 0.00 87.0 88.96
D/S Grade Ctrl (Thalweg) 29.00 58.0 90.08
D/S Grade Ctrl (Thalweg) 52.00 35.0 90.56
D/S Tailcrest or 1st Thalweg 76.00 11.0 91.49
OHW (Outlet Tailcrest) 76.00 11.0 91.73
Bankfull 76.00 11.0 92.11
D/S Thalweg 82.00 5.0 0.54
Outlet Invert 1 87.00 0.0 91.32
Road Elev 106.50 100.99
Inlet Culvert Invert 1 126.00 0.0 92.76
U/S Grade Ctrl (Thalweg) 132.00 6.0 92.85
U/S Grade Ctrl (Thalweg) 143.00 17.0 93.22
U/S Grade Ctrl (Thalweg) 167.00 41.0 94.02
U/S Grade Ctrl (Thalweg) 183.00 57.0 94.49
U/S Grade Ctrl (Thalweg) 205.00 79.0 95.47
U/S Grade Ctrl (Thalweg) 226.00 100.0 96.15

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.

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