Fish Passage Site 40501725

Coordinates (dec. deg.): 65.15536°, -149.41873°
Legal Description: F004N009W20
Region: Interior
Road Name: Minto Road

Datum: WGS84
Quad Name / ITM: Livengood A-5
AWC Stream #:
Stream Name: Uncle Sam Creek

Elevation:

Site Comments: DOT#7+393

Survey Date: Jul 08, 2010

Survey EDS10-MIN01

Observers: Mark Eisenman, Justin Leon

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Beaver Activity

Comments: There is beaver activity very close to this culvert. Downstream stream widths were used for this reason. Downstream turns into a stagnant marsh. The length was measured with a tape.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Green
 
Length(ft): 108.8
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 4
Approach Angle: 10.0
Sedimentation At Inlet: Yes
Inlet Substrate: Boulder
Outlet Substrate: Boulder
InletOutlet
Width(ft):13.3 13.3
Height(ft):10.0 9.3
Apron Length(ft):
Water Depth(ft): 0.88
Rustline Height(ft):7.4
Substrate Depth(ft):3.3 4.0
Backwatered?: No
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 3.3
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.79
Culvert Gradient: 0.65%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Beaver Activity

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleOrganic
Subdominant:BoulderSilt/Clay
Stream Slope(deg.):0.07
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 92.0 17.70
Downstream ordinary high water 116.0 18.70
Downstream ordinary high water 140.0 14.20

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev (Road Surface) 105.06
D/S Thalweg (Substrate) 0.00 89.55
D/S Water Surface Elev (Water Surface - used for stream grade) 0.00 91.14
D/S Water Surface Elev (Water Surface - used for stream grade) 131.20 91.24
D/S Thalweg (Substrate) 131.20 89.62
D/S Tailcrest or 1st Thalweg (Thalweg) 148.20 90.87
D/S Water Surface Elev (Water Surface) 148.20 91.49
D/S Water Surface Elev (Water Surface) 156.20 91.52
Outlet Culvert Top (Top of Pipe) 156.20 100.00
Outlet Invert (Substrate) 156.20 90.64
Inlet Culvert Invert (Substrate) 265.00 90.52
Inlet Culvert Top (Top of Pipe) 265.00 100.71
U/S Water Surface Elev (Water Surface) 265.00 91.56
U/S Headwater (Water Surface) 266.00 91.58
U/S Thalweg (Substrate) 266.00 90.86
U/S Grade Ctrl (Thalweg) (Thalweg) 310.00 91.85
U/S Water Surface Elev (Water Surface) 310.00 92.43
U/S Water Surface Elev (Water Surface - Beaver Dam Pool Surface) 325.00 94.39

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): 2.0
Channel Type: Main Channel (>50% of water flow)
Comments: Nothing was caught.
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.0
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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