Fish Passage Site 60401669

Coordinates (dec. deg.): 68.55044°, -149.48709°
Legal Description: U010S011E26
Region: Arctic
Road Name: Dalton Highway

Datum: NAD83
Quad Name / ITM: Philip Smith Mts C-5
AWC Stream #:
Stream Name: Jill Creek

Elevation:

Site Comments: DOT # 436+25, 36" x 88'

Survey Date: Aug 10, 2010

Survey EDS10-DAL09

Observers: Mark Eisenman, Justin Leon

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

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

Comments: DOT # 436+25, 36" x 88'. outlet has miter but it is on its side - ? Appears to be separating

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 91.3
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 33.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):2.9 3.1
Height(ft):2.9 3.1
Apron Length(ft):
Water Depth(ft): 0.34
Rustline Height(ft):1.4
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.4
Outfall Type: Free Fall In To Pool
Constriction Ratio: 1.45
Culvert Gradient: 2.04%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Outfall height red
  2. Culvert gradient red
  3. Mechanical damage or joints parting
  4. Structural Problem

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicGravel
Subdominant:GravelCobble
Stream Slope(deg.):
Stream Flow Stage:High
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 84.0 2.90
Upstream ordinary high water 148.0 1.70
Upstream ordinary high water 188.0 1.40

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 107.55
D/S Grade Ctrl (Thalweg) (thalweg) 0.00 95.27
D/S Water Surface Elev 0.00 95.84
D/S Tailcrest or 1st Thalweg 35.00 96.40
D/S Water Surface Elev 35.00 96.91
Outlet Pool Water Elev ((TWS)) 40.00 96.94
D/S Thalweg (max depth of outlet pool) 40.00 95.87
Outlet Culvert Top 43.00 100.03
Outlet Invert 43.00 97.00
D/S Water Surface Elev (ws @ outlet) 43.00 97.34
Inlet Culvert Invert 134.30 98.86
U/S Water Surface Elev (ws @ inlet) 134.30 99.69
Inlet Culvert Top 134.30 101.69
U/S Grade Ctrl (Thalweg) (TC of first resting pool u/s) 159.30 100.21
U/S Water Surface Elev 159.30 100.96

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.

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