Fish Passage Site 40501707

Coordinates (dec. deg.): 65.50787°, -148.60944°
Legal Description: F008N005W20
Region: Interior
Road Name: Elliott Highway

Datum: WGS84
Quad Name / ITM: Livengood C-4
AWC Stream #:
Stream Name:

Elevation:

Site Comments: DOT#3719+20

Survey Date: Jul 06, 2010

Survey EDS10-ELH22

Observers: Mark Eisenman, Justin Leon

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Inlet perch
  2. Culvert gradient gray
  3. Structural Problem
  4. Mechanical damage or joints parting

Comments: Inlet perch present due to rocks in front of the inlet. This pipe appears to be bent towards the middle.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 112.4
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 32.0
Sedimentation At Inlet: Yes
Inlet Substrate: Boulder
Outlet Substrate: Gravel
InletOutlet
Width(ft):4.1 3.8
Height(ft):3.8 4.1
Apron Length(ft):
Water Depth(ft): 0.7
Rustline Height(ft):1.1
Substrate Depth(ft):0.39 0.37
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.99
Culvert Gradient: 0.59%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Inlet perch
  2. Culvert gradient gray
  3. Structural Problem
  4. Mechanical damage or joints parting

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):
Stream Flow Stage:High
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 84.0 3.20
Upstream ordinary high water 98.0 3.90
Upstream ordinary high water 114.0 4.80

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev (Road Surface) 113.07
D/S Thalweg (Thalweg) 0.00 94.73
D/S Water Surface Elev (Water Surface) 0.00 95.55
D/S Tailcrest or 1st Thalweg (Thalweg) 19.00 96.56
D/S Water Surface Elev (Water Surface) 19.00 96.98
Outlet Pool Water Elev (Water Surface) 20.00 97.05
Max Pool Depth (Substrate) 20.00 96.37
Outlet Invert (Substrate) 21.00 96.38
Outlet Culvert Top (Top of Pipe) 21.00 100.01
D/S Water Surface Elev (Water Surface) 21.00 97.08
U/S Water Surface Elev (Water Surface) 133.40 97.60
Inlet Culvert Top (Top of Pipe) 133.40 100.67
Inlet Culvert Invert (Substrate) 133.40 97.06
U/S Headwater (Substrate) 136.40 97.62
U/S Thalweg (Water Surface) 136.40 98.29
U/S Thalweg (Thalweg) 151.40 98.56
U/S Water Surface Elev (Water Surface) 151.40 99.53

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: Minnow Trap (A) Trap Duration(h): 1.5
Channel Type: Main Channel (>50% of water flow)
Comments: Nothing was caught.
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.5
Channel Type: Main Channel (>50% of water flow)
Comments: Nothing was caught.

Fish Observations

Species: no fish collected or observed Life History: Not Applicable
Total Fish Observed: 0 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (0)  Upstream Minnow Trap (0)  

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