Fish Passage Site 20502119

Coordinates (dec. deg.): 62.70676°, -149.81773°
Legal Description: S030N003W10
Region: South Central
Road Name: Alaska Railroad

Datum: NAD83
Quad Name / ITM: Talkeetna Mts C-6
AWC Stream #:
Stream Name: Susitna River tributary

Elevation:

Site Comments: New culvert found at MP 257.8

Survey Date: Jun 21, 2011

Survey MSB11-PSARR32

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: John Greuey, Abraham Gioffre

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red

Comments: Culvert was a CMP culvert inside of a concrete pipe with an outfall height of greater than 2' over the river bank. The last section of the concrete pipe was loose and falling down the bank. Dwst channel consisted of a steep river bank.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 50.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5): 2
Approach Angle:
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):0.0 0.0
Water Depth(ft): 0.5
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height:
Outfall Type: Cascade Over Rip-Rap
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: All dimensions were visually estimated not measured.
  Culvert Observations:
  1. Outfall height red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

No elevation data available.

Fish Sampling Efforts

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.

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