Fish Passage Site 20300737

Coordinates (dec. deg.): 60.85720°, -149.01292°
Legal Description: S009N002E24
Region: South Central
Road Name: Seward Highway

Datum: NAD83
Quad Name / ITM: Seward D-6
AWC Stream #: 247-60-10235
Stream Name:

Elevation:

Site Comments: UNAMED WATERSHED ADJACENT TO SEWARD HIGHWAY, UPSTREAM AREA IS A MARSH

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 ANC04-4A196

Observers: Dean Beers, Vic Stanculescu

Overall Fish Passage Rating: Red

Tidal: Yes
Backwatered: No

Step Pools:
Construction Year:


Comments: UNAMED WATERSHED ADJACENT TO SEWARD HIGHWAY, UPSTREAM AREA IS A MARSH

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 123.7
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):5.5
Height(ft):5.5
Apron Length(ft):
Water Depth(ft): 0.2
Rustline Height(ft):5.1
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.78
Outfall Type:
Constriction Ratio:
Culvert Gradient: 2.66%
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)
Max Pool Depth 91.21
D/S Tailcrest or 1st Thalweg 91.26
OHW Left Bank 91.96
OHW Left Bank 93.12
D/S Thalweg 90.86
U/S Thalweg 1 95.09
Outlet Invert 1 0.00 0.0 90.98
Road Elev 61.50 107.50
Inlet Culvert Invert 1 123.00 0.0 94.27

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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