Fish Passage Site 20501403

Coordinates (dec. deg.): 62.28347°, -150.42348°
Legal Description: S025N006W05
Region: South Central
Road Name: Oil Well Road

Datum: NAD83
Quad Name / ITM: Talkeetna B-1
AWC Stream #:
Stream Name: Moose Creek tributary

Elevation:

Site Comments: SUSITNA RIVER WATERSHED

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey MSB11-OWR01

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Abraham Gioffre, Jim Latham

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Constriction ratio gray
  3. Outfall height gray
  4. Mechanical damage or joints parting
  5. Woody Debris
  6. Culvert is too short

Comments: Upst area about 175' is a forested area which opens up to a meadow. The inlet is partially bent and covered with road fill.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 47.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5): 2
Approach Angle: 30.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):2.8 3.0
Apron Length(ft):0.0 0.0
Water Depth(ft): 0.24
Rustline Height(ft):1.2
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.14
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.58
Culvert Gradient: 3.60%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red
  2. Constriction ratio gray
  3. Outfall height gray
  4. Mechanical damage or joints parting
  5. Woody Debris
  6. Culvert is too short

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:GravelGravel
Stream Slope(deg.):1.4
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 75.0 6.50
Upstream ordinary high water 116.0 4.80
Upstream ordinary high water 175.0 4.20

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Grade Ctrl (Thalweg) (grade pt at bottom of riffle) 0.00 93.51
D/S Water Surface Elev 0.00 93.94
D/S Tailcrest or 1st Thalweg (tailwater control) 14.00 94.18
D/S Water Surface Elev 14.00 94.55
Outlet Pool Water Elev 28.00 94.55
Max Pool Depth (max outlet pool depth) 28.00 92.67
Outlet Culvert Top 35.00 97.42
Outlet Invert (invert on pipe) 35.00 94.45
D/S Water Surface Elev (outlet water surface) 35.00 94.69
Road Elev 58.00 100.84
Inlet Culvert Invert (invert on pipe) 82.00 96.14
U/S Water Surface Elev (inlet water surface) 82.00 96.53
Inlet Culvert Top 82.00 98.86
U/S Grade Ctrl (Thalweg) (grade pt at top of riffle) 100.00 96.77
U/S Water Surface Elev 100.00 97.18
U/S Water Surface Elev (water surface for stream grad) 112.00 97.19
U/S Water Surface Elev (water surface fro stream grad) 207.00 98.55

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