Fish Passage Site 10103545

Coordinates (dec. deg.): 55.62366°, -132.97647°
Legal Description: C072S081E15
Region: Southeast
Road Name: Big Salt Lake Road

Datum: NAD83
Quad Name / ITM: Craig C-3
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Near Milepost 8.

Survey Date: Jul 26, 2017

Survey SEA17-BSL29

Observers: Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red

Comments: Small, shallow meandering stream. Upstream has 1ft high large woody debris sites at 100ft and 200ft upstream from culvert. Both upstream and downstream are twisty, shallow gravel riffles with only a few shallow pools. Brushy with salmon berries, alder and logging slash. Outlet very brushy

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 72.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 5.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 0.28
Rustline Height(ft):1.0
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:
Culvert Gradient: 12.05%
Max Slope:
Max Slope Length:
 

Comments: Culvert length includes mitre length. Top of mitre length 58 with rangefinder. Stream gradient estimated 3% downstream.
  Culvert Observations:
  1. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:Boulder
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 50.0 2.75
Downstream ordinary high water 100.0 2.00
Downstream ordinary high water 200.0 2.50
Upstream ordinary high water 75.0 3.00
Upstream ordinary high water 100.0 2.25
Upstream ordinary high water 150.0 2.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 117.18
D/S Grade Ctrl (Thalweg) 0.00 94.96
D/S Water Surface Elev 0.00 95.06
D/S Grade Ctrl (Thalweg) 13.00 95.78
D/S Water Surface Elev 13.00 96.29
D/S Grade Ctrl (Thalweg) (step boulders before culvert) 19.00 96.41
D/S Water Surface Elev 19.00 96.85
D/S Water Surface Elev 22.00 96.93
Outlet Invert (on pipe) 22.00 96.65
Outlet Culvert Top 29.00 99.46
Inlet Culvert Top 87.00 106.45
Inlet Culvert Invert (on pipe, 1st resting) 94.00 103.83
U/S Water Surface Elev 94.00 103.98
U/S Water Surface Elev 101.00 104.07
U/S Grade Ctrl (Thalweg) 101.00 103.38
U/S Grade Ctrl (Thalweg) 109.00 103.53
U/S Water Surface Elev 109.00 103.80

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
Comments: 120ft upstream first place deep enough for trap, no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0.8
Comments: 50ft downstream, no fish

Fish Observations

No fish observations occurred during this survey.

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