Fish Passage Site 20400035

Coordinates (dec. deg.): 61.20044°, -149.84243°
Legal Description: S013N003W20
Region: South Central
Road Name: Bike Path

Datum: NAD83
Quad Name / ITM: Anchorage A-8
AWC Stream #: 247-50-10050
Stream Name: Chester Creek

Elevation:

Site Comments: BIKE TRAIL NEAR LAKE OTIS. Four CULVERTS ON CHESTER CREEK UPSTREAM IS A POND, BIKE TRAIL CULVERTS, CHESTER CREEK WATERSHED

Survey Date: Aug 12, 2004

Survey ANC04-2A035

Observers: Dean Beers, Joe Miller

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: FOUR CULVERTS ON CHESTER CREEK . INLET INVERT AND OUTLET INVERT ON THE FORTH PIPE ARE 8.66 AND 8.85 RESPECTIVLY. UPSTREAM IS A POND, BIKE TRAIL CULVERTS, CHESTER CREEK WATERSHED

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 25.6
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.6
Height(ft):2.8
Apron Length(ft):
Water Depth(ft): 0.2
Rustline Height(ft):0.7
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.91
Outfall Type:
Constriction Ratio:
Culvert Gradient: 3.20%
Max Slope:
Max Slope Length:
ID: 2 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 24.6
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.6
Height(ft):2.8
Apron Length(ft):
Water Depth(ft): 0.5
Rustline Height(ft):0.6
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.91
Outfall Type:
Constriction Ratio:
Culvert Gradient: 0.85%
Max Slope:
Max Slope Length:
ID: 3 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 24.2
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.6
Height(ft):2.8
Apron Length(ft):
Water Depth(ft): 0.3
Rustline Height(ft):1.2
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.91
Outfall Type:
Constriction Ratio:
Culvert Gradient: 2.98%
Max Slope:
Max Slope Length:
ID: 4 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 24.7
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.6
Height(ft):2.8
Apron Length(ft):
Water Depth(ft): 0.7
Rustline Height(ft):0.9
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.91
Outfall Type:
Constriction Ratio:
Culvert Gradient: 0.77%
Max Slope:
Max Slope Length:

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 90.76
Max Pool Depth 91.02
D/S Tailcrest or 1st Thalweg 91.59
U/S Thalweg 3 92.21
OHW Left Bank 92.36
OHW Left Bank 92.68
U/S Thalweg 2 92.71
U/S Thalweg 1 92.82
U/S Thalweg 4 93.27
Outlet Invert 4 0.00 0.0 92.57
Outlet Invert 3 0.00 0.0 92.39
Outlet Invert 1 0.00 0.0 92.50
Outlet Invert 2 0.00 0.0 92.32
Road Elev 12.00 97.07
Inlet Culvert Invert 1 24.00 0.0 93.32
Inlet Culvert Invert 3 24.00 0.0 93.11
Inlet Culvert Invert 4 24.00 0.0 92.76
Inlet Culvert Invert 2 24.00 0.0 92.53

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: Visual Observation, Ground (A)

Fish Observations

No fish observations occurred during this survey.

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