Fish Passage Site 20401298

Coordinates (dec. deg.): 61.52206°, -149.57157°
Legal Description: S017N002W35
Region: South Central
Road Name: Lupine Lane

Datum: NAD83
Quad Name / ITM: Anchorage C-7
AWC Stream #:
Stream Name: Lucy Creek tributary

Elevation:

Site Comments: Trib Lucy Ck; Site 149 & 148 are within 142' of each other,

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 MSCS1-CT149

Observers: Edward Weiss, Doug Hill

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Mechanical damage or joints parting
  3. Structural Problem
  4. Improper bedding

Comments: Site 149 & 148 are within 142' of each other, downstream 148 data applies to uprstream site 149, sites tied together thru elevations Fine & coarse gravel & cobbles upstream - sand & cobble downstream; site149 & 148 w/in 142' of each other; downstrm 148 data applies to upstream 149; sites tied together thru elevtations. See 148 for upst/downst 50/100 elevation data

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating: Red
 
Length(ft): 46.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Gravel
Outlet Substrate: Sand
InletOutlet
Width(ft):5.9 6.15
Height(ft):3.57 3.0
Apron Length(ft):
Water Depth(ft):0.25 0.26
Rustline Height(ft):
Substrate Depth(ft):0.0 0.3
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type:
Constriction Ratio: 0.54
Culvert Gradient: 4.37%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Mechanical damage or joints parting
  2. Structural Problem
  3. Improper bedding

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelSand
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 50.0 3.00
Downstream ordinary high water 97.0 4.50
Upstream ordinary high water 44.0 9.00
Upstream ordinary high water 100.0 13.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Culvert Top 1 79.78
Inlet Culvert Top 1 82.09
D/S Thalweg 0.00 97.0 72.87
D/S Thalweg 47.00 50.0 74.12
D/S Thalweg 81.00 16.0 75.43
Outlet Invert 1 97.00 0.0 76.52
Outlet Thalweg 1 97.00 0.0 76.52
Road Elev 120.00 83.02
Road Elev 120.00 83.11
Inlet Thalweg 1 143.00 0.0 78.50
Inlet Culvert Invert 1 143.00 0.0 78.53
U/S Thalweg 1 145.30 2.3 78.31
U/S Thalweg 185.00 42.0 79.98
U/S Thalweg 235.00 92.0 72.97

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 (B) Trap Duration(h): 1
 
Gear Type: Visual Observation, Ground (C)

Fish Observations

Species: adult spawning Dolly Varden Life History: Unknown (Suspected Spawning)
Total Fish Observed: 1 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Upstream Visual Observation, Ground (1)  
Comments: Approximately 8" DV, adult in spawning colors. Trap set upstream of 148
 
Species: juvenile/adult Dolly Varden Life History: Unknown
Total Fish Observed: 4 Fish Measured: 2 Fork Lengths (mm) Min: 127 Max: 142 Mean: 134
Collected/Observed by Gear Type: Downstream Minnow Trap (4)  

Photos

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