Fish Passage Site 20300195

Coordinates (dec. deg.): 60.89625°, -149.06791°
Legal Description: S009N002E03
Region: South Central
Road Name: SEWARD HIGHWAY

Datum: NAD83
Quad Name / ITM: Seward D-6
AWC Stream #: 247-60-10240
Stream Name: Unnamed

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 ANC04-4A195

Observers: Dean Beers, Vic Stanculescu

Overall Fish Passage Rating: Gray

Tidal: Yes
Backwatered: No

Step Pools:
Construction Year:


Comments: UNAMED WATERSHED ADJACENT TO SEWARD HIGHWAY, UPSTREAM AREA IS A MARSH, LENGTH TAKEN WITH TAPE (+ OR - 5 FEET)

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 110.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 1
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.0
Height(ft):3.0
Apron Length(ft):
Water Depth(ft): 0.1
Rustline Height(ft):3.0
Substrate Depth(ft):
Backwatered?:
Baffles Present: No
Embedded?: Yes
Outfall Height: 0.02
Outfall Type:
Constriction Ratio:
Culvert Gradient: 0.50%
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)
OHW Left Bank 97.53
D/S Tailcrest or 1st Thalweg 97.74
OHW Left Bank 97.83
Max Pool Depth 96.80
D/S Thalweg 96.80
U/S Thalweg 1 99.18
Outlet Invert 1 0.00 0.0 97.45
Road Elev 55.00 110.90
Inlet Culvert Invert 1 110.00 0.0 98.00

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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