Fish Passage Site 40501711

Coordinates (dec. deg.): 65.22331°, -149.56017°
Legal Description: F005N010W35
Region: Interior
Road Name: Elliott Highway

Datum: WGS84
Quad Name / ITM: Livengood A-6
AWC Stream #:
Stream Name:

Elevation:

Site Comments: Site is at Minto Road turnoff.

Survey Date: Jul 08, 2010

Survey EDS10-ELH26

Observers: Mark Eisenman, Justin Leon

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert sagging in middle
  2. Culvert gradient red

Comments: The middle of this culvert is sagging a little.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Red
 
Length(ft): 81.4
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 28.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):6.0 6.1
Height(ft):6.0 6.2
Apron Length(ft):
Water Depth(ft): 0.3
Rustline Height(ft):0.5
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.07
Culvert Gradient: 2.44%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert sagging in middle
  2. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:Silt/ClayCobble
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 67.0 4.90
Upstream ordinary high water 124.0 6.30
Upstream ordinary high water 185.0 5.70

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev (Road Surface) 103.98
D/S Grade Ctrl (Thalweg) (Thalweg) 0.00 93.55
D/S Water Surface Elev (Water Surface) 0.00 93.87
D/S Water Surface Elev (Water Surface) 15.00 94.05
D/S Tailcrest or 1st Thalweg (Thalweg) 15.00 93.75
Max Pool Depth (Substrate) 25.00 89.78
Outlet Pool Water Elev (Water Surface) 25.00 94.11
D/S Water Surface Elev (Water Surface) 43.00 94.14
Outlet Invert (Bottom of Pipe) 43.00 93.84
Inlet Culvert Invert (Bottom of Pipe) 125.00 95.83
U/S Water Surface Elev (Water Surface) 125.00 96.12
U/S Thalweg (Substrate) 128.00 96.15
U/S Headwater (Water Surface) 128.00 96.53
U/S Grade Ctrl (Thalweg) (Thalweg) 198.00 96.56
U/S Water Surface Elev (Water Surface) 198.00 96.65
U/S Grade Ctrl (Thalweg) (Thalweg) 210.00 96.68
U/S Water Surface Elev (Water Surface) 210.00 97.14

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): 1.83
Channel Type: Main Channel (>50% of water flow)
Comments: Nothing was caught.
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.83
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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