Fish Passage Site 20501456

Coordinates (dec. deg.): 62.30309°, -150.17932°
Legal Description: S026N005W34
Region: South Central
Road Name: Bradley

Datum: WGS84
Quad Name / ITM: Talkeetna B-1
AWC Stream #:
Stream Name: Susitna Tributary

Elevation:

Site Comments: None

Survey Date: Jun 03, 2009

Survey PRK09-BRD01

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Shallow fill; inadequate roadfill volume above culvert

Comments: No fish; Survey TBM same as TBM for BRD02 (sites near each other)

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 40.2
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 5
Approach Angle: 14.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):1.5 1.4
Height(ft):1.5 1.5
Apron Length(ft):
Water Depth(ft): 0.66
Rustline Height(ft):0.0
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 1.59%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red
  2. Shallow fill; inadequate roadfill volume above culvert

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
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)
Outlet Pool Water Elev 1 98.50
U/S Headwater 1 98.89
D/S Water Surface Elev 1 0.00 95.0 98.48
D/S Thalweg (bottom of pool) 1 88.20 6.8 95.49
D/S Thalweg (streambed @ outlet) 1 95.00 0.0 97.38
Outlet Invert 1 95.00 0.0 97.84
Road Elev 1 115.00 101.52
Inlet Culvert Invert (TBM same as TMB for BRD02) 1 135.00 0.0 98.48
U/S Grade Ctrl (Thalweg) (slight GP/edge of road fill) 1 135.90 0.9 98.53

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: Minnow Trap (A) Trap Duration(h): 1.5
Comments: no fish caught; 80ft u/s; under overhanging willows

Fish Observations

No fish observations occurred during this survey.

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