Fish Passage Site 20400049

Coordinates (dec. deg.): 61.22357°, -149.89320°
Legal Description: S013N003W18
Region: South Central
Road Name: Ship Creek Boat Launch

Datum: NAD83
Quad Name / ITM: Anchorage A-8
AWC Stream #: 247-50-10060
Stream Name: Ship Creek

Elevation:

Site Comments: SHIP CREEK 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 ANC04-2A049

Observers: Dean Beers, Vic Stanculescu

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: SHIP CREEK WATERSHED, ADULT COHO SALMON PRESENT UPSTREAM AND DOWNSTREAM OF THE CULVERTS, NO UPSTREAM MEASUREMENTS DUE TO WIDE ERODED BANKS

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 74.8
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):16.0
Height(ft):9.2
Apron Length(ft):
Water Depth(ft): 2.0
Rustline Height(ft):4.3
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.74
Outfall Type:
Constriction Ratio:
Culvert Gradient: 0.71%
Max Slope:
Max Slope Length:
ID: 2 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 79.7
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 5.0
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):16.0
Height(ft):9.0
Apron Length(ft):
Water Depth(ft): 2.4
Rustline Height(ft):4.6
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.74
Outfall Type:
Constriction Ratio:
Culvert Gradient: -0.88%
Max Slope:
Max Slope Length:
ID: 3 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 77.3
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 5.0
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):16.0
Height(ft):5.8
Apron Length(ft):
Water Depth(ft): 1.2
Rustline Height(ft):4.2
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.74
Outfall Type:
Constriction Ratio:
Culvert Gradient: 1.68%
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 73.50
Max Pool Depth 78.86
D/S Tailcrest or 1st Thalweg 79.13
OHW Left Bank 80.80
U/S Thalweg 2 82.76
U/S Thalweg 1 82.77
U/S Thalweg 3 82.92
Outlet Invert (TAKEN OFF SUBSTRATE) 2 0.00 0.0 81.54
Outlet Invert (TAKEN OFF SUBSTRATE) 1 0.00 0.0 80.18
Outlet Invert (TAKEN OFF SUBSTRATE) 3 0.00 0.0 80.34
Road Elev 38.50 103.25
Inlet Culvert Invert (TAKEN OFF SUBSTRATE) 1 77.00 0.0 80.71
Inlet Culvert Invert (TAKEN OFF SUBSTRATE) 3 77.00 0.0 81.64
Inlet Culvert Invert (TAKEN OFF SUBSTRATE) 2 77.00 0.0 80.84

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.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov