Fish Passage Site 40501757

Coordinates (dec. deg.): 65.22941°, -147.12837°
Legal Description: F005N003E28
Region: Interior
Road Name: Steese Highway

Datum: WGS84
Quad Name / ITM: Livengood A-1
AWC Stream #:
Stream Name: Boston Creek

Elevation:

Site Comments: DOT#763+01

Survey Date: Jun 16, 2010

Survey EDS10-STS08

Observers: Mark Eisenman, Justin Leon

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Comments: Baffles are present in this culvert. This culvert appears to be fairly new. The inside pipe length of 100.6ft was used to calculate the pipe gradient of this culvert.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Gray
 
Length(ft): 125.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 4
Approach Angle: 19.0
Sedimentation At Inlet: Yes
Inlet Substrate: Boulder
Outlet Substrate: None
InletOutlet
Width(ft):10.9 10.9
Height(ft):11.1 11.0
Apron Length(ft):
Water Depth(ft): 0.97
Rustline Height(ft):2.2
Substrate Depth(ft):1.1 0.0
Backwatered?: No
Baffles Present: Yes
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.66
Culvert Gradient: 2.07%
Max Slope:
Max Slope Length:

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:Silt/ClaySilt/Clay
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 102.0 5.80
Upstream ordinary high water 142.0 7.00
Upstream ordinary high water 205.0 6.90

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev (Road Surface) 97.48
D/S Thalweg (Substrate of Thalweg) 0.00 74.26
D/S Water Surface Elev (Water Surface of Thalweg) 0.00 76.00
OHW (Outlet Tailcrest) (Water Surface at Tail Water Control) 39.00 76.91
D/S Tailcrest or 1st Thalweg (Tail Water Control) 39.00 75.97
Outlet Pool Water Elev (Outlet Pool Water Surface) 60.00 76.93
D/S Water Surface Elev (Top of Pipe Water Surface) 80.00 76.88
Outlet Invert (Bottom of Pipe) 80.00 75.91
Top of Pipe Outlet (Top of Pipe) 93.00 87.47
Top of Pipe Inlet (Top of Pipe) 192.00 89.54
U/S Water Surface Elev (Water Surface) 205.00 79.95
Inlet Culvert Invert (Bottom of Pipe) 205.00 79.58
U/S Thalweg (Substrate) 210.00 79.92
U/S Headwater (Water Surface at Headwater) 210.00 80.18

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, 1/4 in. Mesh (A) Trap Duration(h): 3.17
Channel Type: Main Channel (>50% of water flow)
Comments: No fish were caught
 
Gear Type: Minnow Trap (B) Trap Duration(h): 3.17
Channel Type: Main Channel (>50% of water flow)
Comments: No fish were 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, 1/4 in. Mesh (0)  

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