Fish Passage Site 20400028

Coordinates (dec. deg.): 61.22306°, -149.85886°
Legal Description: S013N003W17
Region: South Central
Road Name: Post Road

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

Elevation:

Site Comments: ARCH PIPES. INVERTS TAKEN OFF TOP OF SUBSTRATE, NO THALWEG

Survey Date: Aug 09, 2004

Survey ANC04-1A028

Observers: Dean Beers, Joe Miller

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: ARCH PIPES. INVERTS TAKEN OFF TOP OF SUBSTRATE, NO THALWEG, about 200 adult coho passed by while taking data, a few dead chinook carcasses and a few rainbow eyed.

Culvert Measurements

ID: 1 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 102.1
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):16.5
Height(ft):9.4
Apron Length(ft):
Water Depth(ft): 0.5
Rustline Height(ft):2.5
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.01
Outfall Type:
Constriction Ratio: 1.01
Culvert Gradient: 0.20%
Max Slope:
Max Slope Length:
ID: 2 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 102.8
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):16.4
Height(ft):8.4
Apron Length(ft):
Water Depth(ft): 0.5
Rustline Height(ft):2.0
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.01
Outfall Type:
Constriction Ratio: 1.01
Culvert Gradient: -0.15%
Max Slope:
Max Slope Length:
ID: 3 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 102.04
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 3
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):16.4
Height(ft):8.3
Apron Length(ft):
Water Depth(ft): 0.6
Rustline Height(ft):2.0
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.01
Outfall Type:
Constriction Ratio: 1.01
Culvert Gradient: 0.73%
Max Slope:
Max Slope Length:

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Upstream bank full 75.0 52.80
Upstream bank full 100.0 58.00
Upstream bank full 125.0 48.90
Upstream bank full 150.0 50.60
Upstream bed width 75.0 48.50
Upstream bed width 100.0 41.70
Upstream bed width 125.0 46.10
Upstream bed width 150.0 41.60
Upstream ordinary high water 75.0 48.50
Upstream ordinary high water 100.0 55.80
Upstream ordinary high water 125.0 47.70
Upstream ordinary high water 150.0 43.50

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Max Pool Depth 82.45
D/S Thalweg 82.45
U/S Thalweg 1 83.61
OHW Left Bank 83.76
U/S Thalweg 2 83.99
U/S Thalweg 3 84.07
OHW Left Bank 84.32
Outlet Invert (TAKEN OFF SUBSTRATE) 1 0.00 0.0 82.37
Outlet Invert (TAKEN OFF SUBSTRATE) 2 0.00 0.0 83.41
Outlet Invert (TAKEN OFF SUBSTRATE) 3 0.00 0.0 83.17
Road Elev 51.00 97.33
Inlet Culvert Invert (TAKEN OFF SUBSTRATE) 2 102.00 0.0 83.26
Inlet Culvert Invert (TAKEN OFF SUBSTRATE) 1 102.00 0.0 82.57
Inlet Culvert Invert (TAKEN OFF SUBSTRATE) 3 102.00 0.0 83.91

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